CVE-2026-21385KEV · OVERDUECWE-190

Integer Overflow or Wraparound in Graphics

High · published March 2, 2026

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 70.1th percentile for exploit probability.

213
days past CISA
deadline
CVSS v3.1
7.8
EPSS
1%
Percentile
70.1
In the wild
Confirmed
What it is

Memory corruption while using alignments for memory allocation.

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
0.01293 · 70.1th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-03-02T16:53Z
KEV added
2026-03-03 · due 2026-03-24
EPSS history
Timeline
  • 03 MAR 00:00Z
    Added to CISA KEV — remediate by Mar 24
    kev
  • 02 MAR 16:53Z
    Integer Overflow or Wraparound in Graphics
    cvelistv5