Adobe Acrobat Reader up to 24.001.30365/26.001.21651 File stack-based overflow

Summaryinfo

A vulnerability classified as critical has been found in Adobe Acrobat Reader up to 24.001.30365/26.001.21651. This impacts an unknown function of the component File Handler. Performing a manipulation results in stack-based overflow. This vulnerability is known as CVE-2026-47959. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 24.001.30365/26.001.21651. It has been classified as critical. This affects some unknown processing of the component File Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Stack-based Buffer Overflow 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.

The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2026-47959 since 05/20/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/10/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Document Reader Software

Vendor

• Adobe

Name

• Acrobat Reader

Version

• 24.001.30365
• 26.001.21651

License

• free

Website

• Vendor: https://www.adobe.com/

CPE 2.3info

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CPE 2.2info

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