Out-of-bounds Read in Microsoft Windows 10
CVE-2022-21877
Storage Spaces Controller Information Disclosure Vulnerability
Vulnerability class: Buffer Overflow
EPSS: 0.029 (85.5th 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:H/I:N/A:N.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h1, 21h2
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0, 10.0.0
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
- Microsoft Windows_11
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
- Microsoft Windows_server — versions 20h2, 2022
- Microsoft Windows Server 2019 — versions 10.0.17763.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2022-21877?
- CVE-2022-21877 is a medium-severity vulnerability in Microsoft Windows 10, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2022-01-11.
- How severe is CVE-2022-21877?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-21877 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.