Buffer overflow in Adobe Incopy
CVE-2026-34707
InCopy versions 21.3, 20.5.3 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 t…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- psirt@adobe.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-34707?
- CVE-2026-34707 is a high-severity vulnerability in Adobe Incopy, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-06-09.
- How severe is CVE-2026-34707?
- High severity. CVSS v3 base score is 7.8 out of 10.