THREAT OPS › Threat News › [NVD] CVE-2026-21277 (HIGH 7.8) — 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 malici
[NVD] CVE-2026-21277 (HIGH 7.8) — 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 malici
CVE-2026-21277 CVSS: 7.8 HIGH Published: 2026-01-13T19:16:25.370
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.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-21277cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-21277