← Back to feedVulnerabilities & PatchesEmerging1 sourceAug 13, 2026 · 14:00via Microsoft Security Update GuideCVE-2026-45638 Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityBriefAcknowledgement UpdatedRead more on Microsoft Security Update Guide→Vulnerabilities & PatchesCVE-2026-45638Related stories