CVE-2026-21281: 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…

PriorityP342high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

0.19%

8.3th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
adobe	incopy	< 20.5.1	20.5.1
adobe	incopy	<= 19.5.5	—
adobe	incopy	—	—

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