CVE-2026-104348 Adobe CVE debrief

Who should care

Users of Adobe Photoshop Desktop, especially those who handle image files from untrusted sources or work in environments where files are shared from external parties, should assess their exposure to this vulnerability and take appropriate mitigation actions.

Why it matters

CVE-2026-104348 is a Heap-based Buffer Overflow vulnerability in Adobe Photoshop Desktop that could lead to arbitrary code execution. Users must open malicious files, making user interaction a critical factor. This vulnerability requires immediate attention from users and administrators to assess exposure and apply mitigations.

• Potential for arbitrary code execution upon opening maliciously crafted files.
• Requires immediate attention from Adobe Photoshop Desktop users to prevent potential exploitation.
• Verification of file handling practices and user education on safe file opening are crucial.
• Patching or updating Adobe Photoshop Desktop to a version that addresses this vulnerability is necessary.

Technical summary

A Heap-based Buffer Overflow vulnerability exists in Adobe Photoshop Desktop. This vulnerability, identified as CVE-2026-104348, could potentially lead to arbitrary code execution in the context of the current user. The exploitation of this issue requires user interaction, specifically that a victim must open a malicious file. The vulnerability is identified as CWE-122, Heap-based Buffer Overflow. There are no known instances of exploitation, but users must open malicious files, making user interaction a critical factor.

Defensive priority

High priority for users of Adobe Photoshop Desktop, especially those handling image files from untrusted sources.

Recommended defensive actions

• Assess exposure for Adobe Photoshop Desktop users, especially those handling image files from untrusted sources.
• Apply updates from Adobe as available.
• Monitor for and restrict opening of malicious files.
• Verify system and user file handling practices.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE Program and NVD provide official records of the vulnerability. Adobe has released a security bulletin addressing this issue. The vulnerability is identified as CWE-122, Heap-based Buffer Overflow. The CVE record was published on 2026-10-13T20:27:41.095Z and has not been modified since then. There are no known instances of exploitation, but users must open malicious files, making user interaction a critical factor. Verification of file handling practices and user education on safe file opening are crucial.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.