CVE-2023-21748: Windows Kernel Elevation of Privilege Vulnerability
This Microsoft advisory covers CVE-2023-21748 in Windows Server 2019 (Server Core installation), Windows Server 2022 and Windows Server 2016 (Server Core installation).
- CVE-2023-21748
Key facts
- Vendor rating
- High, CVSS 7.8
- CVSS 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· base score 7.8, scored by microsoftAttack vector: local. Attack complexity: low. Privileges required: low. User interaction: none. Scope: unchanged. Confidentiality impact: high. Integrity impact: high. Availability impact: high.- Weakness
- Elevation of Privilege
- CISA SSVC
- Exploitation: proof of concept exists. Automatable: no. Technical impact: total. CISA, .
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.3887; Windows 10 Version 1809 10.0.0 before 10.0.17763.3887; Windows Server 2019 10.0.17763.0 before 10.0.17763.3887 and 9 more below
- Fixed in
- 10.0.17763.3887, 10.0.20348.1487, 10.0.19042.2486 and 9 more below
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Windows Kernel Elevation of Privilege Vulnerability
Affected products named by the advisory: Windows Server 2019; Windows Server 2019 (Server Core installation); Windows Server 2022; Windows Server 2016; and 9 more.
Affected products named by the advisory: Windows Server 2016 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1 (Server Core installation); and 2 more.
Text from the source record.
- Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.3887
- Windows 10 Version 1809 10.0.0 before 10.0.17763.3887
- Windows Server 2019 10.0.17763.0 before 10.0.17763.3887
- Windows Server 2019 (Server Core installation) 10.0.17763.0 before 10.0.17763.3887
- Windows Server 2022 10.0.20348.0 before 10.0.20348.1487
- Windows 10 Version 20H2 10.0.0 before 10.0.19042.2486
- Windows 11 version 21H2 10.0.0 before 10.0.22000.1455
- Windows 10 Version 21H2 10.0.19043.0 before 10.0.19044.2486
- Windows 11 version 22H2 10.0.22621.0 before 10.0.22621.1105
- Windows 10 Version 22H2 10.0.19045.0 before 10.0.19045.2486
- Windows 10 Version 1507 10.0.10240.0 before 10.0.10240.19685
- Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.5648
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2023-21748
Upgrade to a fixed release named by Microsoft:
- 10.0.17763.3887
- 10.0.20348.1487
- 10.0.19042.2486
- 10.0.22000.1455
- 10.0.19044.2486
- 10.0.22621.1105
- 10.0.19045.2486
- 10.0.10240.19685
- 10.0.14393.5648
- 6.1.7601.26321
- 6.3.9600.20778
- 6.0.6003.21872
End-of-life dates for Windows Server
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