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PatchSiren cyber security CVE debrief

CVE-2026-104346 Adobe CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-10-13T20:27:48.508Z and has not been modified since then. The vulnerability affects Adobe Photoshop, specifically versions 26.11.7 and earlier, and 27.10 and earlier. An out-of-bounds write vulnerability exists, which could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction, as a victim must open a malicious file. Defenders should prioritize verifying exposure in Adobe Photoshop deployments and assess the need for updates to version 26.11.8 or 27.11.

Vendor
Adobe
Product
Photoshop
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-13
Original CVE updated
2026-10-14
Advisory published
2026-10-13
Advisory updated
2026-10-14

Who should care

Defenders responsible for Adobe Photoshop deployments, especially those using versions 26.11.7 and earlier, and 27.10 and earlier, should assess exposure and prioritize updates to version 26.11.8 or 27.11.

Why it matters

Defenders should prioritize verifying exposure in Adobe Photoshop deployments, especially for versions 26.11.7 and earlier, and 27.10 and earlier, and assess the need for updates to version 26.11.8 or 27.11 to prevent potential arbitrary code execution.

  • Verify and prioritize updates to Adobe Photoshop to prevent potential arbitrary code execution.
  • Inventory and monitor Adobe Photoshop deployments to identify potentially vulnerable versions.
  • Assess user interactions with files to prevent exploitation.

Technical summary

An out-of-bounds write vulnerability exists in Adobe Photoshop, which could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction, as a victim must open a malicious file. The vulnerability affects Adobe Photoshop versions 26.11.7 and earlier, and 27.10 and earlier. Defenders should prioritize verifying exposure in Adobe Photoshop deployments and assess the need for updates to version 26.11.8 or 27.11. The vendor, Adobe, has provided information on affected and unaffected versions.

Defensive priority

Defenders should prioritize verifying exposure in Adobe Photoshop deployments, especially for versions 26.11.7 and earlier, and 27.10 and earlier, and assess the need for updates to version 26.11.8 or 27.11.

Recommended defensive actions

  • Verify and apply updates to Adobe Photoshop to version 26.11.8 or 27.11.
  • Inventory Adobe Photoshop deployments to identify potentially vulnerable versions.
  • Monitor for user interactions with malicious files.

Evidence notes

The CVE record and source item provide details on an out-of-bounds write vulnerability in Adobe Photoshop, which could result in arbitrary code execution. The vendor, Adobe, has provided information on affected and unaffected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-104346 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-104346

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-104346 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-104346

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Photoshop Desktop | Out-of-bounds Write (CWE-787)

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/104xxx/CVE-2026-104346.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.adobe.com/trust/security/products/photoshop/apsb26-158.html

    Supplemental source - vendor-advisory

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.