Vulnerability Details : CVE-2021-28310
Win32k Elevation of Privilege Vulnerability
Vulnerability category: Gain privilege
Products affected by CVE-2021-28310
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_2004:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_20h2:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:*
CVE-2021-28310 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Win32k Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Windows Win32k contains an unspecified vulnerability that allows for privilege escalation.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2021-28310
Added on
2021-11-03
Action due date
2021-11-17
Exploit prediction scoring system (EPSS) score for CVE-2021-28310
0.68%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 80 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28310
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Microsoft Corporation |
CWE ids for CVE-2021-28310
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28310
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310
CVE-2021-28310 - Security Update Guide - Microsoft - Win32k Elevation of Privilege VulnerabilityPatch;Vendor Advisory
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