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HIGHCVE-2026-21277Published Modified CNA adobe

CVE-2026-21277: InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

InDesign Desktop versions 21.0, 19.5.5 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 in that a victim must open a malicious file.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • Adobe / InDesign Desktop
    ≤ 19.5.5
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
CVE-2026-21277: InDesign Desktop | Heap-based Buffer Overflow (CWE-122) | HarborGuard CVE