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CVE-2022-41091

Windows Mark of the Web Security Feature Bypass Vulnerability

  • Medium 5.4
  • Exploited: added to CISA KEV 8 Nov 2022
  • Used in ransomware campaigns

Description

Windows Mark of the Web Security Feature Bypass Vulnerability

Key facts

Published
9 Nov 2022
Last changed
10 Aug 2026
Assigned by
microsoft
KEV added
8 Nov 2022
KEV fix due
9 Dec 2022
Used in ransomware
Yes, according to CISA
EPSS
2.254% likely to be exploited in the next 30 days, higher than 83.218% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 5.4CVSS 3.1, Mediumfrom the CNA (microsoft)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MicrosoftWindows 10 Version 1507
  • 10.0.10240.0 up to but excluding 10.0.10240.19567 (affected)
MicrosoftWindows 10 Version 1607
  • 10.0.14393.0 up to but excluding 10.0.14393.5501 (affected)
MicrosoftWindows 10 Version 1809
  • 10.0.17763.0 up to but excluding 10.0.17763.3650 (affected)
MicrosoftWindows 10 Version 1809
  • 10.0.0 up to but excluding 10.0.17763.3650 (affected)
MicrosoftWindows 10 Version 20H2
  • 10.0.0 up to but excluding 10.0.19042.2251 (affected)
MicrosoftWindows 10 Version 21H1
  • 10.0.0 up to but excluding 10.0.19043.2251 (affected)
MicrosoftWindows 10 Version 21H2
  • 10.0.19043.0 up to but excluding 10.0.19044.2251 (affected)
MicrosoftWindows 10 Version 22H2
  • 10.0.19045.0 up to but excluding 10.0.19045.2251 (affected)
MicrosoftWindows 11 version 21H2
  • 10.0.0 up to but excluding 10.0.22000.1219 (affected)
MicrosoftWindows 11 version 22H2
  • 10.0.22621.0 up to but excluding 10.0.22621.819 (affected)
MicrosoftWindows Server 2016
  • 10.0.14393.0 up to but excluding 10.0.14393.5501 (affected)
MicrosoftWindows Server 2016 (Server Core installation)
  • 10.0.14393.0 up to but excluding 10.0.14393.5501 (affected)
MicrosoftWindows Server 2019
  • 10.0.17763.0 up to but excluding 10.0.17763.3650 (affected)
MicrosoftWindows Server 2019 (Server Core installation)
  • 10.0.17763.0 up to but excluding 10.0.17763.3650 (affected)
MicrosoftWindows Server 2022
  • 10.0.20348.0 up to but excluding 10.0.20348.1249 (affected)

Timeline

  1. 8 Nov 2022 CVE-2022-41091 added to CISA KEV
  2. 8 Nov 2022 Added to the CISA KEV catalogue
  3. 9 Nov 2022 Published

Weakness

References