CVE-2026-21379

Buffer Over-read in Windows Compute

CVSS 7.8 HIGHCWE-126

Vexday Risk Score

18Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

06 Jul 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Memory Corruption when allocating memory with sizes that exceed the maximum allowed value.

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

Affected products

References