Security1 hOctober 21, 2026, 04:40

CVE-2026-96951 explained: what is known about the Windows Shell flaw

CVE-2026-96951, a CWE-77 flaw in Windows Shell, carries a CVSS score of 8.8; Microsoft confirmed active exploitation but has not named the affected component or the bypass mechanism. Outlook.com below build 20260925.100 and several Windows client and server branches are affected.

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CVE-2026-96951 explained: what is known about the Windows Shell flaw

CVSS 3.1 vector AV:N/AC:L/PR:N/UI:R, base score 8.8
CISA SSVC: exploitation active, automatable no, technical impact total
Affected: Outlook.com below 20260925.100 and Windows builds
Microsoft updated the record on October 20, 2026 without details

#Microsoft#Windows#Outlook

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