VulnerabilityModified
CVE-2021-34462
Windows AppX Deployment Extensions Elevation of Privilege Vulnerability
HIGH 7.0EPSS 0.85%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Windows AppX Deployment Extensions Elevation of Privilege Vulnerability
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- microsoft/windows 10 · microsoft/windows server 2016 · microsoft/windows server 2019
- Source
- secure@microsoft.com
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34462
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34462Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-823/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.