CVE-2022-41091 — Windows Mark of the Web Security Feature Bypass Vulnerability

Executive Summary

None

Overview

5.4

CVSS MEDIUM

Important

MS Severity

Exploited

MS Exploit Status

Exploitation Detected

MS Exploit Likelihood

Category Security Feature Bypass

Released Nov 8 2022

Last Updated Nov 8 2022

Publicly Disclosed Yes

CISA KEV Listed (added 2022-11-08)

Known Exploits None Known

EPSS Score 0.01986 — 0.78014 percentile

CVSS Vector

ATTACK VECTOR

Network

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

None

USER INTERACTION

Required

SCOPE

Unchanged

Temporal Score: 4.7

EPSS Score

0.01986

probability of exploitation in the next 30 days

0.78014 percentile - updated 2026-06-20

View on FIRST.org

Affected Products

28 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 for 32-bit Systems	`5019970 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 for x64-based Systems	`5019970 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 1607 for 32-bit Systems	`5019964 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 1607 for x64-based Systems	`5019964 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 1809 for 32-bit Systems	`5019966 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 1809 for ARM64-based Systems	`5019966 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 1809 for x64-based Systems	`5019966 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 20H2 for 32-bit Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 20H2 for ARM64-based Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 21H1 for 32-bit Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 21H1 for ARM64-based Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 21H1 for x64-based Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 21H2 for 32-bit Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 21H2 for ARM64-based Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 21H2 for x64-based Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 22H2 for 32-bit Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 22H2 for ARM64-based Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 10 Version 22H2 for x64-based Systems	`5019959 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 11 version 21H2 for ARM64-based Systems	`5019961 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 11 version 21H2 for x64-based Systems	`5019961 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 11 Version 22H2 for ARM64-based Systems	`5019980 (Security Update)`	Important	Security Feature Bypass	Yes
Windows 11 Version 22H2 for x64-based Systems	`5019980 (Security Update)`	Important	Security Feature Bypass	Yes
Windows Server 2016	`5019964 (Security Update)`	Important	Security Feature Bypass	Yes
Windows Server 2016 (Server Core installation)	`5019964 (Security Update)`	Important	Security Feature Bypass	Yes
Windows Server 2019	`5019966 (Security Update)`	Important	Security Feature Bypass	Yes
Windows Server 2019 (Server Core installation)	`5019966 (Security Update)`	Important	Security Feature Bypass	Yes
Windows Server 2022	`5019081 (Security Update) 5019080 (Security Hotpatch Update)`	Important	Security Feature Bypass	Yes
Windows Server 2022 (Server Core installation)	`5019081 (Security Update) 5019080 (Security Hotpatch Update)`	Important	Security Feature Bypass	Yes

Patches

7 patches

Article	Type	Restart
`5019970`	Security Update	Yes
`5019964`	Security Update	Yes
`5019966`	Security Update	Yes
`5019959`	Security Update	Yes
`5019961`	Security Update	Yes
`5019980`	Security Update	Yes
`5019081 (Security Update) 5019080`	Security Update	Yes

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Microsoft has not published researcher acknowledgments for this CVE, or they are not yet reflected in our data source. Check the MSRC advisory directly for the most current credit information.

References

MSRC Advisory MITRE NVD