CVE-2026-14456: Unbounded Memory Growth in QUIC Server Incoming Channel Queue

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-20

Last Updated

2026-09-05

EPSS Score

0.73% (percentile: 52.6%)

Affected Products (1)

Other

• 21789-17084

Security Updates (1)

• Security Update

Revision History

• 2026-08-20: Information published.
• 2026-09-04: Information published.
• 2026-09-05: Information published.