Actively exploited · Published Nov 9, 2022 · Assigned by microsoft
CVE-2022-41091Windows Mark of the Web Security Feature Bypass Vulnerability
Medium 5.4 Exploited Ransomware
In plain English
A medium-severity incorrect authorization in Windows 10 Version 1507 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on November 8, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities). Apply updates per vendor instructions.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)2.3%top 17.0% of all CVEs
Exploited in the wildYesCISA KEV since Nov 8, 2022
Attack toolingNoneno public tooling known
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Dec 9, 2022.
Official description
Windows Mark of the Web Security Feature Bypass Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 – before 10.0.10240.19567 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 – before 10.0.14393.5501 |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – before 10.0.17763.3650 |
| Microsoft | Windows 10 Version 1809 | 10.0.0 – before 10.0.17763.3650 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 – before 10.0.19042.2251 |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 – before 10.0.19043.2251 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 – before 10.0.19044.2251 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – before 10.0.19045.2251 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – before 10.0.22000.1219 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.819 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – before 10.0.14393.5501 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – before 10.0.14393.5501 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – before 10.0.17763.3650 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – before 10.0.17763.3650 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – before 10.0.20348.1249 |
Weakness: CWE-863 · Vector: 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
References
- Windows Mark of the Web Security Feature Bypass Vulnerability vendor-advisory, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41091 government-resource