Adobe · Acrobat and Reader
CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
ما هي
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.
ما العمل
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
الموعد النهائي للوكالات الفدرالية الأمريكية: 27 أبريل 2026
ثغرات مُستغلّة أخرى من Adobe
| أُضيفت | الثغرة | المنتج | الخطورة | احتمال الهجوم |
|---|---|---|---|---|
| 20/05/2026 | Heap-Based Buffer Overflow | Acrobat and Reader | مرتفع 8.8 | 87% |
| 10/10/2023 | Use-After-Free | Acrobat and Reader | مرتفع 7.8 | 59% |
| 14/09/2023 | Out-of-Bounds Write | Acrobat and Reader | مرتفع 7.8 | 6.7% |
| 08/06/2022 | Buffer Overflow | Acrobat and Reader | مرتفع 7.8 | 87% |
| 08/06/2022 | Unspecified | Acrobat and Reader | مرتفع 8.8 | 38% |
| 08/06/2022 | Universal 3D Remote Code Execution | Acrobat and Reader | مرتفع 8.8 | 83% |
| 08/06/2022 | Use-After-Free | Acrobat and Reader | مرتفع 7.8 | 82% |
| 08/06/2022 | Stack-Based Buffer Overflow | Acrobat and Reader | مرتفع 7.3 | 81% |
المصادر: Known Exploited Vulnerabilities (CISA، ملكية عامة)، وCVE records (cve.org)، وEPSS (FIRST). احتمال الهجوم هو تقدير EPSS لاحتمال أن يحاول أحد استغلال الثغرة خلال الأيام الـ30 القادمة.