Vulnerability · Published Jan 10, 2023 · Assigned by microsoft
CVE-2023-21755Windows Kernel Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity use-after-free in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 56.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Windows Kernel Elevation of Privilege Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – before 10.0.17763.3887 |
| Microsoft | Windows 10 Version 1809 | 10.0.0 – before 10.0.17763.3887 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 – before 10.0.19042.2486 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – before 10.0.22000.1455 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 – before 10.0.19044.2486 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.1105 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – before 10.0.19045.2486 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows Kernel Elevation of Privilege Vulnerability vendor-advisory