CVE-2026-96951: Microsoft Windows Command Injection Vulnerability
High⚠ Actively exploited (CISA KEV)
High
Severity
Active
CISA KEV
No
Ransomware use
Oct 16, 2026
Patch deadline
⚠ Exploited in the wild. CISA added CVE-2026-96951 to its Known Exploited Vulnerabilities catalog on Oct 13, 2026, with a federal patch deadline of Oct 16, 2026 — meaning attackers are actively using it. If you run the affected software, patch it immediately.
Microsoft Windows Shell contains a command injection vulnerability that allows an unauthorized attacker to bypass a security feature over a network.
Details
AffectedMicrosoft · Windows
WeaknessCWE-77
Added to CISA KEVOct 13, 2026
Federal patch deadlineOct 16, 2026
Known ransomware useNot documented
Frequently asked questions
Is CVE-2026-96951 being actively exploited?
Yes — CISA lists CVE-2026-96951 in its Known Exploited Vulnerabilities (KEV) catalog, so it is confirmed exploited in the wild. Patch it as a priority.
What does CVE-2026-96951 affect?
CVE-2026-96951 affects Microsoft · Windows.
How do I fix CVE-2026-96951?
Apply the vendor’s patch for the affected software. The federal patch deadline was Oct 16, 2026. Then check whether your personal data was exposed in any related breach.