CVE DATABASE / CVE-2022-41091
CVE-2022-41091
Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability
CVSS 5.4 · MEDIUM
⚠ CISA KEV — ACTIVELY EXPLOITED
RANSOMWARE
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-11-08.
Federal remediation due 2022-12-09.
Required action: Apply updates per vendor instructions.
Summary
Windows Mark of the Web Security Feature Bypass Vulnerability
CVSS 3.1 breakdown
| Base score | 5.4 (MEDIUM) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity | LOW |
| Availability | LOW |
Weakness type (CWE)
Affected products
Microsoft windows 10 1507Microsoft windows 10 1607Microsoft windows 10 1809Microsoft windows 10 20h2Microsoft windows 10 21h1Microsoft windows 10 21h2Microsoft windows 10 22h2Microsoft windows 11 21h2Microsoft windows 11 22h2Microsoft windows server 2016Microsoft windows server 2019Microsoft windows server 2022
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References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41091
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41091
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-30. Always verify against the vendor advisory before acting.