Vulnerability in Microsoft Windows 10
CVE-2021-34462
Windows AppX Deployment Extensions Elevation of Privilege Vulnerability
Vulnerability class: Race Condition
EPSS: 0.008 (54.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h1, 1607
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0, 10.0.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0, 10.0.0
- Microsoft Windows 10 Version 1809 — versions 10.0.0, 10.0.17763.0
- 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 Server 2016 — versions 10.0.14393.0, 10.0.0
- Microsoft Windows_server_2016 — versions 20h2, 2004
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, x_refsource_MISC, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Third Party Advisory, VDB Entry)
- secure@microsoft.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-34462?
- CVE-2021-34462 is a high-severity vulnerability in Microsoft Windows 10, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2021-07-16.
- How severe is CVE-2021-34462?
- High severity. CVSS v3 base score is 7.0 out of 10.