CVE-2026-47921 Acrobat Reader | Use After Free (CWE-416)

What is CVE-2026-47921?

CVE-2026-47921 is a high-severity use after free vulnerability in Adobe Acrobat, published on 9 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Use After Free vulnerability that 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.

Weakness: CWE-416

Which versions are affected by CVE-2026-47921?

It affects 3 products.

Products include Adobe Acrobat, Adobe Acrobat Dc, Adobe Acrobat Reader Dc.

How do I fix CVE-2026-47921?

No fix has been published for CVE-2026-47921 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-47921 being exploited?

There is no known exploitation of CVE-2026-47921 in the wild and no public exploit code.

Other vulnerabilities in Adobe Acrobat

• CVE-2021-28550 Adobe Acrobat and Reader Use-After-Free Exploited Critical 9.6
• CVE-2021-21017 Adobe Acrobat and Reader Heap-based Buffer Overflow Exploited High 8.8
• CVE-2014-0546 Adobe Reader and Acrobat Sandbox Bypass Exploited High 8.8
• CVE-2014-0496 Adobe Reader and Acrobat Use-After-Free Exploited High 8.8
• CVE-2013-3346 Adobe Reader and Acrobat Memory Corruption Exploited High 8.8

All Adobe Acrobat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6r9r-9qrm-vxmf.