AEGLIX vulnerability intelligence
CVE-2026-34621
HIGH · CVSS 8.6 · Analyzed
Published: 2026-04-11 · Updated: 2026-10-26 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T10:18:49.904763+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
Vulnerability overview
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 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.
Patch review priority
Known exploitation: prioritize review
- CISA KEV lists real-world exploitation.
FIRST EPSS: 7.23% · percentile 94.3 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 8.6 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-1321
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Adobe · Acrobat and Reader
- Added to catalog
- 2026-04-13
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2026-04-27
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
Before (exclusive): 26.001.21411
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
Before (exclusive): 26.001.21411
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
From (inclusive): 24.0.0
Before (exclusive): 24.001.30362
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
From (inclusive): 24.0.0
Before (exclusive): 24.001.30360
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.