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PatchSiren cyber security CVE debrief

CVE-2026-47923 Adobe CVE debrief

CVE-2026-47923 is an out-of-bounds read vulnerability in Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, and earlier. This vulnerability could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Vendor
Adobe
Product
Acrobat Reader
CVSS
MEDIUM 5.5
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 prevent exploitation of this vulnerability.

Technical summary

The vulnerability is caused by an out-of-bounds read issue in Adobe Acrobat Reader. This could allow an attacker to disclose sensitive information.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply updates to Adobe Acrobat Reader to version 26.001.21662 or later.
  • Avoid opening malicious files.

Evidence notes

The CVE-2026-47923 vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47923 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47923

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

  • CVE-2026-47923 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47923

    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.