CVE-2026-34626
Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
MEDIUM 6.3
At a glance
- Source
- NVD
- EPSS
- EPSS 0.34 % · percentile 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 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.
Weaknesses (CWE)
- CWE-1321 — Improperly Controlled Modification of Object Prototype (Prototype Pollution)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N | adobe |
| CVSS 3.1 | MEDIUM 6.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N | NVD · psirt@adobe.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-22337
- GCVE · GCVE-0-2026-34626
CERT-FR advisories
- CERTFR-2026-AVI-0438 — Multiples vulnérabilités dans les produits Adobe · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*≥ 24.0.0 < 24.001.30365cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*≥ 15.008.20082 < 26.001.21431cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*≥ 15.008.20082 < 26.001.21431
Affected products
| Product | Versions |
|---|---|
| Adobe · Acrobat DC | affected 0 ≤ 26.001.21411 ; unaffected 26.001.21431 |
| Adobe · Acrobat Reader DC | affected 0 ≤ 26.001.21411 ; unaffected 26.001.21431 |
| Adobe · Acrobat 2024 | affected 0 ≤ 24.001.30362 (Win), 24.001.30360 (Mac) ; unaffected 24.001.30365 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |