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CVE-2026-45598

7.0 HIGH

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally

Published: 2026-06-09 · Last updated: 2026-06-09

Severity and scoring

CVSS
7.0 HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-362

Description

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Source: NVD

References

Related CVEs

Same CWE

  • CVE-2026-46693 — ImageMagick is free and open-source software used for editing and manipulating digital images (4.1 MEDIUM)
  • CVE-2026-44693 — Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker (8.8 HIGH)
  • CVE-2022-26758 — A malicious application may cause unexpected changes in memory shared between processes (7.1 HIGH)
  • CVE-2026-1220 — Race in V8 in Google Chrome prior to 144.0.7559.99 allowed a remote attacker to potentially exploit type confusion via a crafted HTML page (7.5 HIGH)
  • CVE-2026-45603 — Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally (7.0 HIGH)