CVE-2026-19931: Negotiate ambient user conn reuse

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-08

EPSS Score

0.26% (percentile: 17.4%)

Affected Products (6)

Other

• 21707-17084
• 21716-17084
• 21708-17084
• 21270-17084
• 21500-17084
• 21021-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-08: Information published.