Windows ALPC vulnerabilities

8 known CVE vulnerabilities in Windows ALPC, translated and rated.

CVE-2026-83917High
Use after free in Windows ALPC allows an authorized attacker to elevate privileges locally.
CVE-2026-85880HighActively exploited
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
CVE-2023-21674HighActively exploited
An Elevation of Privilege vulnerability in Windows Advanced Local Procedure Call (ALPC). It could allow an attacker to escalate privileges on a Windows system.
CVE-2026-69874High
An untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges locally.
CVE-2026-69834High
Use after free in Windows ALPC allows an authorized attacker to elevate privileges locally.
CVE-2022-41100High
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability.
CVE-2022-41093High
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability.
CVE-2022-41045High
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS