CVE-2026-70307

HighCVSS 7.0/10Last modified Aug 16, 2026

Description

Use after free in Windows Ancillary Function Driver for WinSock 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

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Aug 11, 2026
Last modified
Aug 16, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-703095.4Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.CVE-2026-70318.8A vulnerability was detected in Tenda F456 1.0.0.5. This impacts the function fromSafeMacFilter of the file /goform/SafeMacFilter. The manipCVE-2026-703105.5Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.CVE-2026-703117.8Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.CVE-2026-703125.5Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.CVE-2026-703137.8Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.CVE-2026-703145.5Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-703155.5Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-703165.5Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.CVE-2026-703175.5Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-703185.5Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.CVE-2026-703195.5Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-70307: High severity, CVSS 7.0 | Vulnix