CVE-2026-27287

High

Description

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.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Adobe Incopy

PublishedApr 14, 2026

First seenApr 14, 2026

Weakness typeCWE-125Out-of-bounds read

How to fix

Update

adobe incopy20.5.3, 21.3 or later

Vendor advisories

helpx.adobe.com/security/products/incopy/apsb26-33.html

Affected products

Product	Affected versions	Fixed in
adobe incopy	v < 20.5.3, 21.0 ≤ v < 21.3	20.5.3, 21.3

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