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CVE

CVE-2022-41091

Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability

Windows Mark of the Web Security Feature Bypass Vulnerability.

MEDIUM · CVSS 5.4 ⚠ CISA KEV EPSS 0.06337 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-863Incorrect Authorization
▤

Affected Products & Versions

12
microsoft windows 10 1507< 10.0.10240.19567
microsoft windows 10 1607< 10.0.14393.5501
microsoft windows 10 1809< 10.0.17763.3650
microsoft windows 10 20h2< 10.0.19042.2251
microsoft windows 10 21h1< 10.0.19043.2251
microsoft windows 10 21h2< 10.0.19044.2251
microsoft windows 10 22h2< 10.0.19045.2251
microsoft windows 11 21h2< 10.0.22000.1219
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Nov 2022 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
msrcCVE-2022-41091Security Feature Bypass
cisaKEV-CVE-2022-41091
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41091US Government Resource
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