CVE-2026-50721

Microsoft · Published July 4, 2026

8.1

CVSS v3.1

HIGH

Patch availableGet patch

Description

IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload. IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload

Affected Products

azl3 libreswan 4.15-1 on Azure Linux 3.0

CVSS Vector

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