Multiple vulnerabilities in Microsoft Windows (20 August 2026)

unknownCVE-2026-62727 CVE-2026-69550

Multiple vulnerabilities have been discovered in Microsoft Windows. They allow an attacker to cause privilege escalation and breach of data confidentiality.

CSIRTS triage

vendor: Microsoft product: Windows Privilege escalation Information disclosure

What: Multiple vulnerabilities in Microsoft Windows allow privilege escalation and breach of data confidentiality.
Who is affected: Systems running Microsoft Windows.
Urgency: High priority as privilege escalation on operating systems has widespread impact on system security posture.
Action: Apply Microsoft security updates for CVE-2026-62727 and CVE-2026-69550 through standard patch management.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-08-20
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1060/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-627270.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-695500.65% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-62727	coverage & exploitation status	NVD · CVE.org
CVE-2026-69550	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Microsoft Windows

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

high[UPDATE] [high] Microsoft Windows: Multiple vulnerabilitiescert-bund · 2026-08-25
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critical[NEW] [critical] Microsoft Windows products: Multiple vulnerabilitiescert-bund · 2026-08-18
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criticalexploited[UPDATE] [critical] Microsoft Windows: Multiple Vulnerabilitiescert-bund · 2026-08-13
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