CVE-2026-1965: bad reuse of HTTP Negotiate connection

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-03-12

Last Updated

2026-04-29

EPSS Score

0.26% (percentile: 17.6%)

Affected Products (3)

Other

• 20869-17084
• 20871-17086
• 21207-17084

Revision History

• 2026-03-12: Information published.
• 2026-03-13: Information published.
• 2026-03-27: Information published.
• 2026-04-14: Information published.
• 2026-04-14: Information published.
• 2026-04-29: Information published.