EUVD-2026-35825
GHSA-x63r-p5hm-g3jm
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Use After Free 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.
Articles & Coverage 1
AnalysisAI
Arbitrary code execution in Adobe Acrobat Reader (versions 24.001.30365, 26.001.21651, and earlier) occurs when a victim opens a maliciously crafted PDF, triggering a use-after-free memory corruption that lets the attacker run code with the privileges of the logged-on user. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV; however, Acrobat Reader is a perennial target for phishing-delivered malware, making patching a near-term priority. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a victim to open a maliciously crafted PDF document in Adobe Acrobat Reader version 24.001.30365, 26.001.21651, or earlier - the CVSS vector's UI:R (user interaction required) and AV:L (local file processing) reflect this file-open prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H scores 7.8 and characterizes this as a local, user-interaction-required client-side flaw with full CIA impact on the user context. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker emails a target a PDF-themed lure (invoice, shipping notice, HR document) with the malicious PDF attached or linked. When the victim opens the file in a vulnerable Acrobat Reader build, the crafted document triggers the use-after-free during parsing, leading to arbitrary code execution under the user's account - typically used to drop an info-stealer or loader. … |
| Remediation | Patch available per vendor advisory: upgrade Adobe Acrobat Reader to the fixed versions enumerated in Adobe Security Bulletin APSB26-63 (https://helpx.adobe.com/security/products/acrobat/apsb26-63.html) - specifically the builds superseding 24.001.30365 (Classic) and 26.001.21651 (Continuous); exact post-patch version numbers should be taken from APSB26-63 rather than guessed. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all systems running Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, or earlier. …
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