CVE-2026-21278: InDesign Desktop | Out-of-bounds Read (CWE-125)
InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to access sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21278?
CVE-2026-21278 has a moderate severity level due to the potential for sensitive information exposure.
How do I fix CVE-2026-21278?
To mitigate CVE-2026-21278, update Adobe InDesign Desktop to version 21.1 or later.
What are the affected versions of Adobe InDesign for CVE-2026-21278?
Adobe InDesign Desktop versions 21.0, 19.5.5, and earlier are affected by CVE-2026-21278.
What type of vulnerability is CVE-2026-21278 classified as?
CVE-2026-21278 is classified as an Out-of-bounds Read vulnerability (CWE-125).
What could an attacker achieve by exploiting CVE-2026-21278?
An attacker could exploit CVE-2026-21278 to access sensitive information stored in memory.