CVE-2026-34631

| EUVD-2026-22720 HIGH
2026-04-14 [email protected] GHSA-jx8w-6mv7-8qj4
Buffer Overflow RCE Memory Corruption
7.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
Analysis Generated
Apr 14, 2026 - 22:41 vuln.today

DescriptionNVD

InCopy versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds write 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.

AnalysisAI

Arbitrary code execution in Adobe InCopy 20.5.2, 21.2 and earlier allows unauthenticated local attackers to execute malicious code with the victim's privileges through a specially crafted file. The vulnerability stems from an out-of-bounds write (CWE-787) triggering memory corruption. …

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RemediationAI

Within 24 hours: identify all InCopy installations via asset inventory and disable external document opening or restrict file types in organization policies. Within 7 days: communicate to affected users prohibiting opening InCopy files from untrusted sources and enable email attachment blocking for .indd, .icml, and related InCopy formats. …

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CVE-2026-34631 vulnerability details – vuln.today
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