InCopy | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34707

7.8HIGH

Key Information:

Vendor

Adobe
Status
Incopy
Vendor
CVE Published:
9 June 2026

What is 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 that a victim must open a malicious file.

Affected Version(s)

InCopy 0 <= 20.5.3

References

https://helpx.adobe.com/security/products/incopy/apsb26-5...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.