What is CVE-2026-27278?

CVE-2026-27278 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Use After Free. CVSS score: 7.8/10. Published 2026-03-10.

How severe is CVE-2026-27278?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Adobe Acrobat Reader

CVE-2026-27278

Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requir…

Vulnerability class: Use-After-Free

EPSS: 0.000 (14.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Adobe Acrobat Reader — versions 0

Weakness classification (CWE)

CWE-416 — Use After Free

References

helpx.adobe.com/security/products/acrobat/apsb26-26.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-27278?: CVE-2026-27278 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Use After Free. CVSS score: 7.8/10. Published 2026-03-10.
How severe is CVE-2026-27278?: High severity. CVSS v3 base score is 7.8 out of 10.