Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
A high-severity remote code execution vulnerability (CVE-2026-56645) affects Microsoft Edge (Chromium-based) versions up to and including 150.0.4078.48. The vulnerability is categorized under CWE-122, indicating a possible heap-based buffer overflow. No CVSS score or patch information is currently provided. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-56645 is a remote code execution vulnerability in Microsoft Edge (Chromium-based) identified as CWE-122 (heap-based buffer overflow). It affects versions up to and including 150.0.4078.48. The vulnerability could allow an attacker to execute arbitrary code remotely. No official patch or remediation details have been provided yet, and no known exploits have been reported.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code on affected systems running vulnerable versions of Microsoft Edge. This could lead to full compromise of the affected system under the privileges of the user running the browser.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Until a patch is available, users should follow Microsoft’s recommended security practices for Edge and consider limiting exposure to untrusted web content.
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Description
A high-severity remote code execution vulnerability (CVE-2026-56645) affects Microsoft Edge (Chromium-based) versions up to and including 150.0.4078.48. The vulnerability is categorized under CWE-122, indicating a possible heap-based buffer overflow. No CVSS score or patch information is currently provided. There are no known exploits in the wild at this time.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-56645 is a remote code execution vulnerability in Microsoft Edge (Chromium-based) identified as CWE-122 (heap-based buffer overflow). It affects versions up to and including 150.0.4078.48. The vulnerability could allow an attacker to execute arbitrary code remotely. No official patch or remediation details have been provided yet, and no known exploits have been reported.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code on affected systems running vulnerable versions of Microsoft Edge. This could lead to full compromise of the affected system under the privileges of the user running the browser.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Until a patch is available, users should follow Microsoft’s recommended security practices for Edge and consider limiting exposure to untrusted web content.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-56645
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a498aa827e9c797193794f9
Added to database: 07/04/2026, 22:35:20 UTC
Last enriched: 07/04/2026, 22:36:24 UTC
Last updated: 07/05/2026, 02:51:10 UTC
Views: 8
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