Adobe · Acrobat and Reader
CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
Was es ist
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.
Was zu tun ist
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Frist für US-Bundesbehörden: 27. April 2026
Weitere ausgenutzte Schwachstellen von Adobe
| Hinzugefügt | Schwachstelle | Produkt | Schweregrad | Angriffswahrscheinlichkeit |
|---|---|---|---|---|
| 20.05.2026 | Heap-Based Buffer Overflow | Acrobat and Reader | Hoch 8,8 | 87% |
| 10.10.2023 | Use-After-Free | Acrobat and Reader | Hoch 7,8 | 59% |
| 14.09.2023 | Out-of-Bounds Write | Acrobat and Reader | Hoch 7,8 | 6,7% |
| 08.06.2022 | Buffer Overflow | Acrobat and Reader | Hoch 7,8 | 87% |
| 08.06.2022 | Unspecified | Acrobat and Reader | Hoch 8,8 | 38% |
| 08.06.2022 | Universal 3D Remote Code Execution | Acrobat and Reader | Hoch 8,8 | 83% |
| 08.06.2022 | Use-After-Free | Acrobat and Reader | Hoch 7,8 | 82% |
| 08.06.2022 | Stack-Based Buffer Overflow | Acrobat and Reader | Hoch 7,3 | 81% |
Quellen: Known Exploited Vulnerabilities (CISA, gemeinfrei), CVE records (cve.org) und EPSS (FIRST). Die Angriffswahrscheinlichkeit ist die EPSS-Schätzung, dass jemand in den nächsten 30 Tagen versucht, die Schwachstelle auszunutzen.