THREAT OPS › Threat News › [NVD] CVE-2026-21278 (MEDIUM 5.5) — 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 inte
[NVD] CVE-2026-21278 (MEDIUM 5.5) — 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 inte
CVE-2026-21278 CVSS: 5.5 MEDIUM Published: 2026-01-13T19:16:25.530
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.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-21278cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-21278