CVE-2026-21379CWE-126

Buffer Over-read in Windows Compute

High · published July 6, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
0.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00103 · 0.9th percentile
Weakness
CWE-126 · Buffer Over-read
Published
2026-07-06T20:09Z
EPSS history
Timeline
  • 06 JUL 20:09Z
    Buffer Over-read in Windows Compute
    cvelistv5