CVE-2026-34621 - Adobe Acrobat and Reader
AI Vulnerability ContextAcrobat 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.
Overview
A source-backed snapshot of this vulnerability.
CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
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CISA KEVHIGH
- CVE ID
- CVE-2026-34621
- Vendor/project
- Adobe
- Product
- Acrobat and Reader
- Vulnerability name
- Adobe Acrobat and Reader Prototype Pollution Vulnerability
- Date added
- 2026-04-13
- Due date
- 2026-04-27
- Known ransomware campaign use
- Unknown
- CVSS v3
- 8.6
CWE-1321
Exploit context
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No description available. The source record only contains identifiers and metadata.
Source evidence
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Original source
Original source links
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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2026-34621CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-datapsirt@adobe.comhttps://helpx.adobe.com/security/products/acrobat/apsb26-43.html134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34621