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PatchSiren cyber security CVE debrief

CVE-2026-47919 Adobe CVE debrief

CVE-2026-47919 is a Use After Free vulnerability affecting Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, and earlier. This vulnerability could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction, as a victim must open a malicious file.

Vendor
Adobe
Product
Acrobat Reader
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-08-28
Advisory published
2026-06-09
Advisory updated
2026-08-28

Who should care

Users of Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, and earlier should apply patches or mitigations to prevent exploitation of this vulnerability.

Technical summary

The vulnerability has a CVSS score of 7.8 and is classified as HIGH severity. The CVSS vector is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The weakness is categorized as CWE-416.

Defensive priority

high

Recommended defensive actions

  • Apply patches or updates provided by Adobe to vulnerable versions of Acrobat Reader.
  • Restrict user access to untrusted files and sources.
  • Implement security measures to prevent or detect malicious file openings.

Evidence notes

Evidence from the NVD and Adobe's security bulletin (see [ref-4](https://helpx.adobe.com/security/products/acrobat/apsb26-63.html)) confirms the vulnerability and provides details on affected versions and patches.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47919 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47919

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

  • CVE-2026-47919 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47919

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

Supplemental 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.