Vulnerability in Microsoft Windows 10 Version 1809
CVE-2022-21907
HTTP Protocol Stack Remote Code Execution Vulnerability
EPSS: 0.919 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0, 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 Version 21h2 — versions 10.0.0
- Microsoft Windows Server 2019 — versions 10.0.17763.0
- Microsoft Windows Server 2019 (Server Core Installation) — versions 10.0.17763.0
- Microsoft Windows Server 2022 — versions 10.0.20348.0
- Microsoft Windows Server Version 20h2 — versions 10.0.0
Public proof-of-concept exploits
References
- HTTP Protocol Stack Remote Code Execution Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2022-21907?
- CVE-2022-21907 is a critical-severity vulnerability in Microsoft Windows 10 Version 1809. CVSS score: 9.8/10. Published 2022-01-11.
- How severe is CVE-2022-21907?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-21907 known to be exploited?
- 82 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.