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CVE-2026-47952 Adobe CVE debrief

CVE-2026-47952 is a Heap-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. 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 updates to mitigate this vulnerability.

Technical summary

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

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by Adobe to vulnerable versions of Adobe Acrobat Reader.
  • Exercise caution when opening files from unknown or untrusted sources.

Evidence notes

The CVE-2026-47952 vulnerability has a CVSS score of 7.8 and is classified as HIGH severity. It requires user interaction to exploit.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47952 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47952

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

  • CVE-2026-47952 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47952

    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.