KEV · Actively exploited
CVE-2023-21674
HIGH 8.8
Vendor bulletin scale — NVD CVSS pending
KEV
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
EPSS
41.81%
moderate exploit risk
percentile 98.6%
CISA Known Exploited Vulnerability
- Added to KEV
- 2023-01-10
- Remediation deadline
- 2023-01-31
- Required action
- Apply updates per vendor instructions.
- Ransomware
- Unknown (not documented by CISA)
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Server 2022 Fixed in 10.0.20348.1487
- Windows Server 2019 Fixed in 10.0.17763.3887
- Windows Server 2016 Fixed in 10.0.14393.5648
- Windows 11 22H2 · 2022-H2 Fixed in 10.0.22621.1105
- Windows 11 21H2 · 2021-H2 Fixed in 10.0.22000.1455
- Windows 10 22H2 · 2022-H2 Fixed in 10.0.19045.2486
- Windows 10 21H2 · 2021-H2 Fixed in 10.0.19044.2486
- Windows 10 20H2 · 2020-H2 Fixed in 10.0.19042.2486
- Windows 10 1809 · 2018-09 Fixed in 10.0.17763.3887
- Windows 10 1607 · 2016-07 Fixed in 10.0.14393.5648