CVE-2026-34707

HIGH

InCopy | Heap-based Buffer Overflow (CWE-122)

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0018
EPSS Percentile 7.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-122
Status published
Products (2)
Adobe/InCopy < 20.5.3
adobe/incopy < 20.5.4
Published Jun 09, 2026
Tracked Since Jun 09, 2026