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CVE-2022-41091

MEDIUM severity · CVSS 5.4 · Incorrect authorization · actively exploited (CISA KEV)
5.4CVSS MEDIUM ● exploited ⚠ ransomware
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities). ⚠ Known use in ransomware campaigns. Added to KEV 2022-11-08. US federal agencies must patch by 2022-12-09.

Summary

Windows Mark of the Web Security Feature Bypass Vulnerability

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)6%

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Affected products we track (1)

Recommendation

This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.

Official patch: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41091 ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC