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PatchSiren cyber security CVE debrief

CVE-2026-47917 Adobe CVE debrief

CVE-2026-47917 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 caused by a Use After Free issue in Adobe Acrobat Reader. This type of vulnerability occurs when the software attempts to use memory after it has been freed, which can lead to arbitrary code execution.

Defensive priority

HIGH

Recommended defensive actions

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

Evidence notes

The CVE-2026-47917 vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt]. The vulnerability affects Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, and earlier.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47917 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47917

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

  • CVE-2026-47917 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47917

    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.