CVE-2026-34707 Details
Description
InCopy versions 21.3, 20.5.3 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.
A heap-based buffer overflow vulnerability has been identified in Adobe InCopy versions 21.3, 20.5.3 and earlier. This vulnerability could lead to arbitrary code execution in the context of the current user. Exploitation requires user interaction, as a victim must open a malicious file.
Users are advised to update to InCopy version 21.4 or 20.5.4. For managed environments, IT administrators can use the Creative Cloud Packager to create deployment packages.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 9, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://helpx.adobe.com/security/products/incopy/apsb26-59.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-122 | Heap-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| adobe incopy | < 20.5.4 >= 21.0, < 21.4 |
CPE
Remediation
| |
| apple macos | All versions |
CPE
Remediation
| |
| microsoft windows | All versions |
CPE
Remediation
| |
Change History
8 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 28, 2026 | CVE Modified | [email protected] |
| Aug 27, 2026 | CVE Modified | [email protected] |
| Aug 26, 2026 | CVE Modified | [email protected] |
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 10, 2026 | Initial Analysis | [email protected] |
| Jun 9, 2026 | New CVE Received | [email protected] |