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PatchSiren cyber security CVE debrief

CVE-2026-47965 Adobe CVE debrief

CVE-2026-47965 is an out-of-bounds write vulnerability in 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 in that a victim must open a malicious file. The CVSS score for this vulnerability is 7.8, and the severity is classified as HIGH.

Vendor
Adobe
Product
Acrobat Reader
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-08-28
Advisory published
2026-06-12
Advisory updated
2026-08-28

Who should care

Users of 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 an out-of-bounds write issue in Acrobat Reader. This could allow an attacker to execute arbitrary code in the context of the current user.

Defensive priority

HIGH

Recommended defensive actions

  • Update Acrobat Reader to the latest version.
  • Be cautious when opening files from unknown sources.

Evidence notes

The CVE record and NVD detail for CVE-2026-47965 can be found at [cve-org] and [nvd], respectively. Additional information can be found at [ref-4].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47965 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47965

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

  • CVE-2026-47965 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47965

    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.