CVE-2023-21758

HIGH

Windows 10, 11, Server 2016, 2019, 2022 - Denial of Service via IKE Extension NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.9253
EPSS Percentile 99.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (12)
microsoft/windows_10
microsoft/windows_10 20h2
microsoft/windows_10 21h2
microsoft/windows_10 22h2
microsoft/windows_10 1607
microsoft/windows_10 1809
microsoft/windows_11 (2 CPE variants)
microsoft/windows_11 21h2 (2 CPE variants)
microsoft/windows_11 22h2 (2 CPE variants)
microsoft/windows_server_2016
... and 2 more
Published Jan 10, 2023
Tracked Since Feb 18, 2026