CVE-2026-34622

Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

At a glance

Severity
HIGH 8.6
EPSS
EPSS 0.42 % · percentile 36 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
adobe
NVD status
Analyzed

Description

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 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.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.6CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hadobe
CVSS 3.1HIGH 8.6CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HNVD · psirt@adobe.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Adobe · Acrobat DCaffected 0 ≤ 26.001.21411 ; unaffected 26.001.21431
Adobe · Acrobat Reader DCaffected 0 ≤ 26.001.21411 ; unaffected 26.001.21431
Adobe · Acrobat 2024affected 0 ≤ 24.001.30362 (Win), 24.001.30360 (Mac) ; unaffected 24.001.30365

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD