CVE-2026-21278
MEDIUMCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
2Description
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.
Analysis
Memory disclosure in Adobe InDesign versions 21.0, 19.5.5 and earlier through out-of-bounds read allows attackers to access sensitive information from application memory when users open specially crafted malicious files. This vulnerability requires user interaction to exploit but requires no special privileges to trigger. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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