What is CVE-2026-27271?

CVE-2026-27271 is a high-severity vulnerability in Adobe Illustrator, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-03-10.

How severe is CVE-2026-27271?

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

Buffer overflow in Adobe Illustrator

CVE-2026-27271

Illustrator versions 29.8.4, 30.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (10.3th 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 Illustrator — versions 0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

helpx.adobe.com/security/products/illustrator/apsb26-18.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-27271?: CVE-2026-27271 is a high-severity vulnerability in Adobe Illustrator, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-03-10.
How severe is CVE-2026-27271?: High severity. CVSS v3 base score is 7.8 out of 10.