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PatchSiren cyber security CVE debrief

CVE-2026-47918 Adobe CVE debrief

CVE-2026-47918 is a HIGH severity Use After Free vulnerability affecting Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, and earlier. The vulnerability could result in arbitrary code execution in the context of the current user, requiring user interaction to open a malicious file. The CVSS score for this vulnerability is 7.8.

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 the necessary updates to mitigate this vulnerability.

Technical summary

The vulnerability is a Use After Free issue, which occurs when the program attempts to use memory after it has been freed. This can lead to arbitrary code execution if exploited.

Defensive priority

HIGH

Recommended defensive actions

  • Apply the updates provided by Adobe to vulnerable versions of Acrobat Reader.
  • Ensure users do not open malicious files.

Evidence notes

The CVE was published on 2026-06-09T21:17:21.710Z and modified on 2026-06-12T19:21:10.410Z. The vulnerability affects Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, and earlier.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47918 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47918

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

  • CVE-2026-47918 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47918

    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.