Vulnerability in Microsoft Windows 10 1507
CVE-2021-41379
Windows Installer Elevation of Privilege Vulnerability
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.195 (97.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.195 · newest: 0.195 · change: -0.001
Affected products
- Microsoft Windows 10 1507
- Microsoft Windows 10 1607
- Microsoft Windows 10 1809
- Microsoft Windows 10 1909
- Microsoft Windows 10 2004
- Microsoft Windows 10 20h2
- Microsoft Windows 10 21h1
- 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
Weakness classification (CWE)
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
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory, VDB Entry)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-41379 (vendor-advisory, Patch, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41379?
- CVE-2021-41379 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under Improper Link Resolution Before File Access. 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.