CVE catalog
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 res
- Severity
- High · CVSS 8.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 7.23% · Oct 25, 2026
Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | acrobat_dc | Not reported | 26.001.21411 | fixed |
| Cpe | acrobat_reader_dc | Not reported | 26.001.21411 | fixed |
| Cpe | acrobat | Not reported | 24.001.30362 | fixed |
| Cpe | acrobat | Not reported | 24.001.30360 | fixed |
| Cpe | acrobat_dc | Not reported | 26.001.21411 | fixed |
| Cpe | acrobat_reader_dc | Not reported | 26.001.21411 | fixed |
| Cpe | acrobat | Not reported | 24.001.30360 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | acrobat_dc | cpe | Not reported | 26.001.21411 | Not reported | Not reported | Not reported |
| Cpe | acrobat_reader_dc | cpe | Not reported | 26.001.21411 | Not reported | Not reported | Not reported |
| Cpe | acrobat | cpe | Not reported | 24.001.30362 | Not reported | Not reported | Not reported |
| Cpe | acrobat | cpe | Not reported | 24.001.30360 | Not reported | Not reported | Not reported |
| Cpe | acrobat_dc | cpe | Not reported | 26.001.21411 | Not reported | NVD-CVE-2026-34621 | Not reported |
| Cpe | acrobat_reader_dc | cpe | Not reported | 26.001.21411 | Not reported | NVD-CVE-2026-34621 | Not reported |
| Cpe | acrobat | cpe | Not reported | 24.001.30360 | Not reported | NVD-CVE-2026-34621 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://helpx.adobe.com/security/products/acrobat/apsb26-43.html]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-34621]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1047.json]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34621]
[CERT-Bund public advisories] · [CISA Known Exploited Vulnerabilities (OSINT)] · [FIRST EPSS] · [National Vulnerability Database (NVD)]