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CVE-2026-47921 Adobe CVE debrief

CVE-2026-47921 is a HIGH severity Use After Free vulnerability in Adobe 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.

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
2026-06-12
Advisory published
2026-06-09
Advisory updated
2026-06-12

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 a Use After Free issue 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 the necessary updates as recommended by Adobe.
  • Be cautious when opening files from unknown sources.

Evidence notes

The CVE-2026-47921 vulnerability has been documented by Adobe and NIST. For more information, see resourceLinkAnnotations with linkId values 'cve-org', 'nvd', and 'ref-4'.

Official resources

CVE-2026-47921 was published on 2026-06-09T21:17:22.087Z and modified on 2026-06-12T19:23:11.073Z.