CVE-2021-26442
High
Published: 13 October 2021
Published
13 October 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0025
48.9th percentile
Risk Priority
14
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-26442 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 7.0 (High).
Operationally, ranked at the 48.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13247
Vulnerability details
Windows HTTP.sys Elevation of Privilege Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
windows 10
1809, 1909, 2004, 20h2, 21h1
microsoft
windows 11
all versions
microsoft
windows 7
all versions
microsoft
windows 8.1
all versions
microsoft
windows rt 8.1
all versions
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
2004, 20h2, all versions
microsoft
windows server 2019
all versions
microsoft
windows server 2022
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.