What is CVE-2026-27291?

CVE-2026-27291 is a high-severity vulnerability in Adobe Indesign Desktop, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-04-14.

How severe is CVE-2026-27291?

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

Buffer overflow in Adobe Indesign Desktop

CVE-2026-27291

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds write 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 (11.3th 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 Indesign Desktop — versions 0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

helpx.adobe.com/security/products/indesign/apsb26-32.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-27291?: CVE-2026-27291 is a high-severity vulnerability in Adobe Indesign Desktop, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-04-14.
How severe is CVE-2026-27291?: High severity. CVSS v3 base score is 7.8 out of 10.