CVE-2026-96951: Microsoft Windows Command Injection Vulnerability | Cyberiack

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Actively exploited: added to CISA’s KEV catalog on October 13, 2026.
Use by ransomware: not established so far.
Remediation deadline for US federal agencies: October 16, 2026.

Description from CISA’s KEV catalog.

Our analyses

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Oct 14, 20262 min read

CERT-FR alerts and notices

CERTFR-2026-AVI-1314Oct 14

Multiples vulnérabilités dans Microsoft Windows (14 octobre 2026)

What to do

Check whether your estate includes Microsoft Windows, including internet-facing devices.
Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.

References

Vendor advisory or reference cited by CISA (msrc.microsoft.com)
NVD entry (NIST)
CISA KEV catalog

Other Microsoft vulnerabilities

All exploited Microsoft vulnerabilities