Buffer overflow in Adobe Indesign

CVE-2026-34698

InDesign Desktop versions 21.3, 20.5.3 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 intera…

Vulnerability class: Buffer Overflow

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34698?
CVE-2026-34698 is a high-severity vulnerability in Adobe Indesign, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-06-09.
How severe is CVE-2026-34698?
High severity. CVSS v3 base score is 7.8 out of 10.