Out-of-bounds Read in Withsecure Atlant

CVE-2025-26790

Withsecure Atlant with Capricorn engine before 2025-01-20_02 allows a Remote Denial of Service via an out-of-bounds memory read during processing of a document file by the antivirus engine.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (26.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-26790?
CVE-2025-26790 is a low-severity vulnerability in Withsecure Atlant, classified under Out-of-bounds Read. CVSS score: 3.7/10. Published 2026-09-14.
How severe is CVE-2025-26790?
Low severity. CVSS v3 base score is 3.7 out of 10.