Buffer overflow in Adobe Indesign

CVE-2026-27285

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application or disrupt its functionality. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (17.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-27285: held from 0.001 to 0.003.

EPSS over last 30 days · oldest: 0.001 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-27285?
CVE-2026-27285 is a medium-severity vulnerability in Adobe Indesign, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2026-04-14.
How severe is CVE-2026-27285?
Medium severity. CVSS v3 base score is 5.5 out of 10.