High severity7.8NVD Advisory· Published Jan 13, 2026· Updated Jun 17, 2026
CVE-2026-21281
CVE-2026-21281
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.
Affected products
4cpe:2.3:a:adobe:incopy:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:adobe:incopy:*:*:*:*:*:*:*:*range: <20.5.1
- cpe:2.3:a:adobe:incopy:21.0:*:*:*:*:*:*:*
- (no CPE)range: <=21.0, <=19.5.5
- (no CPE)range: 0
Patches
Vulnerability mechanics
References
1- helpx.adobe.com/security/products/incopy/apsb26-04.htmlnvdVendor Advisory
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