CVE-2026-27287: InCopy versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the…

PriorityP341high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

0.21%

10.6th percentile

InCopy versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code 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	< 20.5.3	20.5.3
adobe	incopy	<= 21.2	—
adobe	incopy	>= 21.0 < 21.3	21.3

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