Severity
7.8HIGH
EPSS
0.0%
top 90.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 13

Description

InCopy 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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

NVDadobe/incopy< 20.5.1+1
CVEListV5adobe/incopy19.5.5

🔴Vulnerability Details

2
GHSA
GHSA-68xp-mq28-cc93: InCopy versions 212026-01-13
CVEList
InCopy | Heap-based Buffer Overflow (CWE-122)2026-01-13

🕵️Threat Intelligence

1
Wiz
CVE-2026-21281 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-21281 (HIGH CVSS 7.8) | InCopy versions 21.0 | cvebase.io