CVE-2026-48373: Heap-based Buffer Overflow (CWE-122) in Adobe Acrobat DC
Acrobat Reader is affected by a Heap-based Buffer Overflow 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.
AI Analysis
Technical Summary
CVE-2026-48373 is a heap-based buffer overflow vulnerability in Adobe Acrobat Reader that allows an attacker to execute arbitrary code in the context of the current user. The vulnerability requires user interaction, specifically opening a crafted malicious file. The CVSS v3.1 base score is 7.8, indicating a high severity with attack vector local, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation can result in arbitrary code execution with full impact on confidentiality, integrity, and availability of the affected system under the current user context. This could allow an attacker to take control of the affected system or execute malicious actions as the user.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening files from untrusted sources to mitigate risk.
CVE-2026-48373: Heap-based Buffer Overflow (CWE-122) in Adobe Acrobat DC
Description
Acrobat Reader is affected by a Heap-based Buffer Overflow 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.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-48373 is a heap-based buffer overflow vulnerability in Adobe Acrobat Reader that allows an attacker to execute arbitrary code in the context of the current user. The vulnerability requires user interaction, specifically opening a crafted malicious file. The CVSS v3.1 base score is 7.8, indicating a high severity with attack vector local, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation can result in arbitrary code execution with full impact on confidentiality, integrity, and availability of the affected system under the current user context. This could allow an attacker to take control of the affected system or execute malicious actions as the user.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening files from untrusted sources to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-05-21T15:28:38.141Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5b5eae2d1edb114c7fb31b
Added to database: 07/18/2026, 11:08:30 UTC
Last enriched: 07/25/2026, 22:12:42 UTC
Last updated: 09/01/2026, 14:30:23 UTC
Views: 135
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