CVE-2026-83917
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
Use after free in Windows ALPC allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could gain elevated privileges, potentially leading to full system compromise.
Recommendation
Apply the latest Windows security updates.
Other vulnerabilities in Windows ALPC
See all- 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-2026-85866Medium
A vulnerability in Windows ALPC exposes sensitive system information to an unauthorized control sphere. It allows an authorized attacker to disclose information locally.
- 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.
Original NVD description (English source)
Use after free in Windows ALPC allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS