CVE-2021-28310
HIGH KEVWindows 10 and Windows Server - Elevation of Privilege via Win32k Out-of-bounds Write
Title source: llmExploitation Summary
CVE-2021-28310 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021. EIP tracks 1 public exploit from researchers including Rafael-Svechinskaya.
Description
Win32k Elevation of Privilege Vulnerability
Exploits (1)
nomisec
NO CODE
1 stars
by Rafael-Svechinskaya · poc
https://github.com/Rafael-Svechinskaya/IOC_for_CVE-2021-28310
References (2)
Core 2
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310
Scores
CVSS v3
7.8
EPSS
0.0833
EPSS Percentile
94.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2021-11-03
VulnCheck KEV
2021-04-13
InTheWild.io
2021-04-13
ENISA EUVD
EUVD-2021-14995
CWE
CWE-787
Status
published
Products (9)
microsoft/windows_10_1803
microsoft/windows_10_1809
microsoft/windows_10_1909
microsoft/windows_10_2004
microsoft/windows_10_20h2
microsoft/windows_server_1909
microsoft/windows_server_2004
microsoft/windows_server_2019
microsoft/windows_server_20h2
Published
Apr 13, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026