CVE-2026-34621
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.
- CVSS 3.1
- 8.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - EPSS
- 7.2% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-26)
- CISA KEV
- listed 2026-04-13, due 2026-04-27
- CWE
- CWE-1321
- Published
- Modified
- Record from
- the NVD, synced
Affected
- adobe:acrobat
- adobe:acrobat_dc
- adobe:acrobat_reader_dc