Vulnerability in Microsoft Windows 10 Version 1909
CVE-2021-26867
Windows Hyper-V Remote Code Execution Vulnerability
EPSS: 0.011 (78.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows Server, Version 1909 (Server Core Installation) — versions 10.0.0
- Microsoft Windows Server Version 2004 — versions 10.0.0
- Microsoft Windows Server Version 20h2 — versions 10.0.0
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26867 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-26867?
- CVE-2021-26867 is a critical-severity vulnerability in Microsoft Windows 10 Version 1909. CVSS score: 9.9/10. Published 2021-03-11.
- How severe is CVE-2021-26867?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2021-26867 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.