CVE-2022-41091

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.019 · 80 %ileEURUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV
Likely / severe?
1.91% (80th) EPSS
CVSS 5.4 · medium
Is it mine?
99 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

added 2022-11-08remediate by 2022-12-09

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

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

Windows Mark of the Web Security Feature Bypass Vulnerability

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

5.4
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.4mediumAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Lsecondary · FSTEC (BDU) RU
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:Csecondary · ENISA EU
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Lsecondary · secure@microsoft.com USexploitability 2.8 · impact 2.5
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:Hsecondary · CVSS-BT (t0sche)
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (99)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • msrc_CVE-2022-41091Windows Mark of the Web Security Feature Bypass Vulnerability2022-11-08csaf · msrc_csafUS

    To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

published 2022-11-09modified 2026-08-10
09

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan