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PatchSiren cyber security CVE debrief

CVE-2026-104347 Adobe CVE debrief

CVE-2026-104347 is a high-severity vulnerability in Adobe Photoshop Desktop, classified as an out-of-bounds write issue (CWE-787). The vulnerability could potentially allow for arbitrary code execution in the context of the current user if a victim opens a malicious file. This issue requires user interaction and has a CVSS score of 7.8. Affected versions include Photoshop 26.11.7 and earlier, as well as 27.10 and earlier. Adobe has released updates to address this issue, with patched versions being 26.11.8 and 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 systems with Adobe Photoshop installed, especially those with high-risk exposure or internet-facing systems, should assess their exposure and update Photoshop to the latest version. Users of Photoshop should be cautious when opening files from untrusted sources.

Why it matters

CVE-2026-104347 is a high-severity vulnerability in Adobe Photoshop Desktop that could allow for arbitrary code execution if a victim opens a malicious file. Defenders should prioritize updating Photoshop and assess systems for exposure.

  • Potential arbitrary code execution in the context of the current user
  • Requires user interaction to open a malicious file
  • High-severity vulnerability with a CVSS score of 7.8

Technical summary

The vulnerability is an out-of-bounds write issue (CWE-787) in Adobe Photoshop Desktop. It could result in arbitrary code execution in the context of the current user if a victim opens a malicious file. The issue has a CVSS score of 7.8 and requires user interaction.

Defensive priority

Defenders should prioritize updating Adobe Photoshop to the latest version to mitigate this vulnerability. Systems that use Photoshop, especially those with internet-facing or high-risk exposure, should be assessed for exposure and updated as soon as possible.

Recommended defensive actions

  • Update Adobe Photoshop to the latest version
  • Assess systems using Photoshop for exposure
  • Verify user education on opening files from untrusted sources

Evidence notes

The CVE record and source item provide details on the vulnerability, its potential impact, and affected versions. Adobe's official advisory (APSB26-158) is referenced, which likely contains patch information and further details.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-104347 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-104347

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

  • CVE-2026-104347 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-104347

    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-2026-104347.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.