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PatchSiren cyber security CVE debrief

CVE-2026-47959 Adobe CVE debrief

CVE-2026-47959 is a Stack-based Buffer Overflow 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, with a severity rating of HIGH.

Vendor
Adobe
Product
Acrobat
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 be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by a Stack-based Buffer Overflow in Adobe Acrobat Reader. This could allow an attacker to execute arbitrary code in the context of the current user if the user opens a malicious file.

Defensive priority

HIGH

Recommended defensive actions

  • Update Adobe Acrobat Reader to a version that is not vulnerable.
  • Be cautious when opening files from unknown sources.

Evidence notes

The CVE record and NVD detail for CVE-2026-47959 provide additional information about this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47959 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47959

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

  • CVE-2026-47959 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47959

    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.