CVE-2026-83722

HighCVSS 7.0/10Last modified Oct 30, 2026

Description

Use after free in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 30, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-837235.5Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information locally.CVE-2026-837247.0Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.CVE-2026-837258.8Heap-based buffer overflow in Microsoft Windows Search Component allows an unauthorized attacker to execute code over a network.CVE-2026-837267.8Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.CVE-2026-837277.8Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.CVE-2026-837288.8Improper validation of syntactic correctness of input in Windows Hyper-V allows an authorized attacker to perform spoofing locally.CVE-2026-837327.8Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.CVE-2026-837335.5Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.CVE-2026-837357.8Release of invalid pointer or reference in Windows Kernel allows an authorized attacker to elevate privileges locally.CVE-2026-837365.5Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.CVE-2026-837375.5Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.CVE-2026-837387.0Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-83722: High severity, CVSS 7.0 | Vulnix