Adobe · Acrobat and Reader
CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
Qué es
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.
CISA: Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution.
Qué hacer
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Plazo para las agencias federales de EE. UU.: 27 de abril de 2026
Más fallos explotados de Adobe
| Añadido | Vulnerabilidad | Producto | Gravedad | Prob. de ataque |
|---|---|---|---|---|
| 20 may 2026 | Heap-Based Buffer Overflow | Acrobat and Reader | Alto 8,8 | 87% |
| 10 oct 2023 | Use-After-Free | Acrobat and Reader | Alto 7,8 | 59% |
| 14 sept 2023 | Out-of-Bounds Write | Acrobat and Reader | Alto 7,8 | 6,7% |
| 8 jun 2022 | Buffer Overflow | Acrobat and Reader | Alto 7,8 | 87% |
| 8 jun 2022 | Unspecified | Acrobat and Reader | Alto 8,8 | 38% |
| 8 jun 2022 | Universal 3D Remote Code Execution | Acrobat and Reader | Alto 8,8 | 83% |
| 8 jun 2022 | Use-After-Free | Acrobat and Reader | Alto 7,8 | 82% |
| 8 jun 2022 | Stack-Based Buffer Overflow | Acrobat and Reader | Alto 7,3 | 81% |
Fuentes: Known Exploited Vulnerabilities (CISA, dominio público), CVE records (cve.org) y EPSS (FIRST). La probabilidad de ataque es la estimación EPSS de que alguien intente explotar el fallo en los próximos 30 días.