HIGHCVSS 8.6KNOWN EXPLOITED

CVE-2026-34621

CVE-2026-34621 updated by NVD

Published: 2026-04-13
Modified: 2026-09-21
Sources: cisa-kev, nvd

Summary

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') 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.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-34621

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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