CVE-2026-34626

EUVD-2026-22337
Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary file system read in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Prototype Pollution
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
adobeCNA
6.3 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 20%
Affected Products (NVD)
VendorProductVersion
adobeacrobat
24.0.0 ≤
𝑥
< 24.001.30365
adobeacrobat_dc
15.008.20082 ≤
𝑥
< 26.001.21431
adobeacrobat_reader_dc
15.008.20082 ≤
𝑥
< 26.001.21431
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
adobeacrobat_reader
𝑥
≤ 26.1.21411
CNA
Common Weakness Enumeration
References
https://helpx.adobe.com/security/products/acrobat/apsb26-44.html