CVE-2023-21768

—

CVSS 3.1

7.8 high

EPSS

65%p99

Published

Jan 10, 2023 (Jan 10, 2023)

Modified

Jun 17, 2026

Description

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Vendors: microsoft
Products: windows 11, windows server 2022
Weakness: CWE-822
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (65.4%)

In the news2 stories

Microsoft Patch Tuesday for January 2023 fixed actively exploited zero

Security AffairsJan 11, 08:05 UTC · Jan 11, 2023Vulnerability in the wildCVE-2023-21674 CVE-2023-21549 CVE-2023-21561+58 CVEs1

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Microsoft Patch Tuesday for January 2023 — Snort rules and prominent vulnerabilities

Cisco TalosJan 10, 20:28 UTC · Jan 10, 2023Vulnerability CVE-2023-21743 CVE-2023-21535 CVE-2023-21548+13 CVEs1

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