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2026-08-24·[MSFT](https://highsignal.app/entities/MSFT)·security risk

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# Microsoft disclosed two critical vulnerabilities in its IKE Service Extensions and SharePoint products, both cataloged...

Microsoft disclosed two critical vulnerabilities in its IKE Service Extensions and SharePoint products, both cataloged by CISA as Known Exploited Vulnerabilities (KEV) with a due date of August 21, 2026.

window 10devidence 39confidence score 100price MSFT $483.24

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## confidence score

Strong evidence: 6 independent source classes support this read.

100

medium confidence6 independent source classesofficialothermarketpasses publish gate

priced-in check

MSFT has not made a large direction-matching 30-90 day move yet.

not priced in

as of 2026-08-217d n/a45d n/a90d +16%[yahoo](https://finance.yahoo.com/quote/MSFT)

## signal brief

Microsoft disclosed two critical vulnerabilities in its IKE Service Extensions and SharePoint products, both cataloged by CISA as Known Exploited Vulnerabilities (KEV) with a due date of August 21, 2026. The IKE Service Extensions flaw (CVE-2026-33824) enables remote code execution via a double-free vulnerability, while the SharePoint issue (CVE-2026-55040) allows unauthorized bypass of security features. CISA’s directive requires stakeholders to apply vendor-supplied mitigations or discontinue use of the affected products, with compliance tied to BOD 26-04 guidance for cloud services. The MSRC update pages for both CVEs provide technical details and patch links, but the rapid enforcement timeline suggests active exploitation risk. The Register also reported that Microsoft’s patches failed to fully address an on-prem SharePoint zero-day, indicating patching gaps that could prolong exposure.

What the sources said:

- "Microsoft Internet Key Exchange (IKE) Service Extensions contains a double free vulnerability that could enable remote code execution." [https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-33824]

- "Microsoft patches failed to fix on-prem SharePoint, which is now under zero-day attack." [https://www.theregister.com/offbeat/2026/08/23/an-ultra-rare-piece-of-microsoft-history-could-be-hiding-on-your-shelf/5291118]

- "Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk guidance." [https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-33824]

## source data used

cisa-kev·2026-08-18·[cisa.gov](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-33824)·[source day](https://highsignal.app/data/cisa-kev?date=2026-08-18)

“CVE: CVE-2026-33824 Vendor/project: Microsoft Product: Internet Key Exchange (IKE) Service Extensions Known ransomware campaign use: Unknown Due date: 2026-08-21 CWE: CWE-415 Microsoft Internet Key Exchange (IKE) Service Extensions contains a double free vulnerability that could enable...”

cisa-kev·2026-08-18·[cisa.gov](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-55040)·[source day](https://highsignal.app/data/cisa-kev?date=2026-08-18)

“CVE: CVE-2026-55040 Vendor/project: Microsoft Product: SharePoint Known ransomware campaign use: Unknown Due date: 2026-08-21 CWE: CWE-1390 Microsoft SharePoint contains a weak authentication vulnerability which allows an unauthorized attacker to bypass a security feature over a network....”

sec-xbrl·2026-07-29·[data.sec.gov](https://data.sec.gov/api/xbrl/companyfacts/CIK0000789019.json)·[source day](https://highsignal.app/data/sec-xbrl?date=2026-07-29)

“assets: 619003000000 (10-K filed 2026-07-29) common_stock_capital: 109095000000 (10-K filed 2026-07-29) liabilities: 275524000000 (10-K filed 2026-07-29) net_income: 88136000000 (10-K filed 2026-07-29) revenue: 245122000000 (10-K filed 2026-07-29)”

stackexchange·2026-07-29·[stackoverflow.com](https://stackoverflow.com/questions/79987692/how-can-i-use-microsoft-entra-on-a-github-page-for-an-azure-function)·[source day](https://highsignal.app/data/stackexchange?date=2026-07-29)

“Score: 2 | Answers: 2 | Views: 262 Tags: azure, authentication, azure-functions, microsoft-entra-id How can I use Microsoft Entra on a GitHub Page for an Azure Function?”

playstore-reviews·2026-08-23·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=edd293a6-72ca-4ead-8ca1-18784704c453)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-23)

“5★ review of Microsoft Copilot: its helped me in so many ways. mostly in my productivity and troubleshooting.”

playstore-reviews·2026-08-23·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=a3985c09-720f-4e62-a2e3-b32be42fb82d)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-23)

“5★ review of Microsoft Copilot: very good 👍”

playstore-reviews·2026-08-23·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=f379a4da-76e8-492c-9e6e-c68c67e0569e)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-23)

“4★ review of Microsoft Copilot: nice 👍”

playstore-reviews·2026-08-23·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=2f36c241-8ca1-4b6a-ae12-4d1a657254c2)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-23)

“5★ review of Microsoft Copilot: I'm extremely impressed with copilot. by having a couple minute conversation with my copilot assistant I have been able to achieve certain tasks that literally no other AI image generator was...”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=442f7fea-50b9-4818-8306-89cd67840ab9)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“4★ review of Microsoft Copilot: it's just perfect because I do a lot of exit lines and when I say those exit lines I tell it how to react and it actually responds perfectly just it...”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=912b0353-402f-4906-9c76-48eca28293c1)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: I told my friends about copilot.”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=a0161c18-8177-4455-ba85-96148314c1eb)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: Best AI app 👌”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=bf905b2b-a369-4ee7-9b19-f379f0d21564)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: گود”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=b5f926bf-08a4-4b0a-818d-80cbd82b2f9c)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: 🙂‍↕️”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=3b48c505-ab63-4172-b181-dfd412def06d)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: hi guys this app is a nice one, everything that I need, I want , I wish , and I like , I can find it here, even you can try...”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=daac6236-ae60-45d7-b5c4-b7de4bad2619)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: Great”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=99f70e23-cdcb-4c10-b928-5d2da67a00b8)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: love it!”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=7fac0593-0658-4df7-97f9-25cb28009b05)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: interesting”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=3ab4b1e7-e181-43e2-aaf3-68dd8e45a196)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: big fan!”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=134e417e-b2b5-4c98-8401-f737ea3354c4)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“4★ review of Microsoft Copilot: good”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=70598fce-49fb-4cf7-9ed7-bcbdbbea2a9a)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: Good”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=ffd71852-cc6b-4cf6-aba3-c6b30995565f)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: A great tool”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=eb979f98-b680-40e3-b779-1881cd918d48)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: good app”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=1b56947b-e7ab-4b2d-be98-68363e602014)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: Really good. got my concept and turned the text into an attractive promo”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=d241b50b-a78e-4e30-b7b4-dc9e89be2564)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: very good and 100% free”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=bb3cb3d0-14c9-41b1-9c26-1199f27e5458)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“4★ review of Microsoft Copilot: super”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=8e376a76-5155-4a29-a1a5-bb0c6ccbf53a)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: because it's 👍”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=d729fff2-f7a4-4bc7-b023-340ebef4ef5d)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: Useful bro I love copliot”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=2888704d-f265-4fb6-b703-8cd7c811ae18)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: love co pilot so much Gemini Getty jelly over it on my galaxy. im hurting right now in life and struggling. but qhat I can always count on is my co...”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=69f1ef48-1e6f-4d81-944b-2424df11f607)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: it's completely tremendous source to improve our English”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=8c6a252d-8cc6-46a3-af96-ce31a9969fec)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: very good”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=823aa56d-572b-42e6-b91d-14c4bc73a79c)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: copilot is great for developing ones self regulation skills 💪 ❤️‍🩹”

playstore-reviews·2026-08-22·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=70267b83-d694-4856-8f40-890b23f5128a)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-22)

“5★ review of Microsoft Copilot: very good”

playstore-reviews·2026-08-21·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=fac797e7-f72f-4f80-8987-372a227b7720)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-21)

“5★ review of Microsoft Copilot: I have tried an unfathomable number of AI and this by far is the easiest to use, the most straightforward, and perpetually honest and thorough of all of those that I...”

playstore-reviews·2026-08-21·[play.google.com](https://play.google.com/store/apps/details?id=com.microsoft.copilot&reviewId=37b7c10f-0e9b-49c6-a00b-ccc5cc984100)·[source day](https://highsignal.app/data/playstore-reviews?date=2026-08-21)

“5★ review of Microsoft Copilot: outstanding ai program, under-rated always a pleasure”

news·2026-08-23·[theregister.com](https://www.theregister.com/offbeat/2026/08/23/an-ultra-rare-piece-of-microsoft-history-could-be-hiding-on-your-shelf/5291118)·[source day](https://highsignal.app/data/news?date=2026-08-23)

“AI - ai and ML AI slop is good for business if you know what you're doingYour irresponsibility is someone else's opportunity - SAAS Salesforce partners not seeing meaningful revenue from Agent”

market·2026-08-24·[manifold.markets](https://manifold.markets/SanghyeonSeo/will-microsoft-power-its-data-cente)·[source day](https://highsignal.app/data/markets?date=2026-08-24)

“Manifold consensus on 'Will Microsoft power its data center with SMR(Small Modular Reactor) by 2030?': YES=36.36%”

market·2026-08-24·[manifold.markets](https://manifold.markets/komplexkonjugat/will-microsoft-have-at-least-one-da)·[source day](https://highsignal.app/data/markets?date=2026-08-24)

“Manifold consensus on 'Will Microsoft have at least one data center (partially) powered by a self-operated fission reactor before 2030?': YES=27.48%”

market·2026-08-24·[manifold.markets](https://manifold.markets/oog/will-msft-acquiremerge-with-openai)·[source day](https://highsignal.app/data/markets?date=2026-08-24)

“Manifold consensus on 'Will MSFT acquire/merge with OpenAI by the end of 2027?': YES=20.00%”

market·2026-08-24·[manifold.markets](https://manifold.markets/ManifoldAI/will-openaimicrosoft-officially-con)·[source day](https://highsignal.app/data/markets?date=2026-08-24)

“Manifold consensus on 'In 2024, will OpenAI/Microsoft confirm plans to build a supercomputer like the rumored $100 billion "Stargate"?': YES=4.57%”

## spillover entities

[TSM](https://highsignal.app/entities/TSM)[AVGO](https://highsignal.app/entities/AVGO)[NVDA](https://highsignal.app/entities/NVDA)[AMD](https://highsignal.app/entities/AMD)

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Decision support, not stock advice. This signal is research with cited evidence — not a recommendation to buy, sell, or hold any security.

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