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PatchSiren cyber security CVE debrief

CVE-2026-96521 Adobe CVE debrief

CVE-2026-96521 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 fixed 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 and IT administrators responsible for managing Adobe Photoshop installations should assess exposure and prioritize updates. Users of Adobe Photoshop Desktop, particularly in environments where files from untrusted sources may be opened, should exercise caution and update to the latest version.

Why it matters

CVE-2026-96521 is a high-severity vulnerability in Adobe Photoshop Desktop that could allow for arbitrary code execution if a user opens a malicious file. Defenders should prioritize updating Photoshop installations to the latest version, and users should exercise caution when opening files from untrusted sources.

  • Potential for arbitrary code execution in the context of the current user
  • Requires user interaction to open a malicious file
  • High CVSS score indicating significant risk
  • Affected versions include widely used Photoshop releases

Technical summary

The vulnerability is caused by an out-of-bounds write issue in Adobe Photoshop Desktop, which could result in arbitrary code execution in the context of the current user. This requires user interaction, as a victim must open a malicious file. The CVSS score for this vulnerability is 7.8, indicating high severity.

Defensive priority

High priority for updating Adobe Photoshop to the latest version

Recommended defensive actions

  • Update Adobe Photoshop to the latest version
  • Review and apply security updates for Adobe products
  • Monitor for potential malicious files and user interactions

Evidence notes

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

Sources and references

Verified primary and authoritative sources

  • CVE-2026-96521 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-96521

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

  • CVE-2026-96521 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-96521

    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/2026/96xxx/CVE-2026-96521.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.