Vulnerability in Microsoft Windows 10 Version 1507
CVE-2021-41379
Windows Installer Elevation of Privilege Vulnerability
EPSS: 0.010 (77.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Windows 10 Version 1507 — versions 10.0.0
- Microsoft Windows 10 Version 1607 — versions 10.0.0
- Microsoft Windows 10 Version 1809 — versions 10.0.0
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
- Microsoft Windows 7 — versions 6.1.0
- Microsoft Windows 7 Service Pack 1 — versions 6.1.0
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41379 (x_refsource_MISC)
- www.zerodayinitiative.com/advisories/ZDI-21-1308/ (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-41379?
- CVE-2021-41379 is a medium-severity vulnerability in Microsoft Windows 10 Version 1507. CVSS score: 5.5/10. Published 2021-11-10.
- How severe is CVE-2021-41379?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-41379 known to be exploited?
- Yes. CVE-2021-41379 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 42 public proof-of-concept repositories are indexed.