CVE-2026-34621
HIGH CISA KEV
ACT NOW
Priority: 0.62
BB Relevance:
44/100
Published: 2026-04-11
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Low Complexity
No Auth
Conf. Impact
Integ. Impact
Scope Change
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
None
UI:
Required
S:
Changed
C:
High
I:
High
A:
High
Description
Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution.
CISA Known Exploited Vulnerability
Vendor / Product
Adobe — Acrobat and Reader
Date Added
2026-04-13
Remediation Due
2026-04-27
https://helpx.adobe.com/security/products/acrobat/apsb26-43.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-34621
Weakness Classification (1)
Affected Software (4)
| Vendor | Product | Version |
|---|---|---|
| adobe | acrobat | 24.0.0 – 24.001.30362 |
| adobe | acrobat | 24.0.0 – 24.001.30360 |
| adobe | acrobat_dc | < 26.001.21411 |
| adobe | acrobat_reader_dc | < 26.001.21411 |
References & Advisories (2)
Vendor Advisory
US Government Resource