CVE-2026-72984: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Microsoft Edge (Chromium-based)
Description
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 8.8high
Affected software
Microsoft
Microsoft Edge (Chromium-based)
Microsoft
Microsoft Edge for Android
Microsoft
Microsoft Edge for iOS
Microsoft
Microsoft Edge for Linux
Microsoft
Microsoft Edge for MAC
Microsoft
Microsoft Edge for Windows
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-843 (Access of Resource Using Incompatible Type or 'Type Confusion'), affects Microsoft Edge (Chromium-based) versions before 152.0.4191.52 and 152.0.4191.53. It allows an attacker to execute code remotely over a network by exploiting type confusion in the browser. The CVSS v3.1 score is 8.8, indicating a high impact on confidentiality, integrity, and availability. Microsoft has published an official fix addressing this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized attacker to execute arbitrary code remotely, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update for Microsoft Edge (Chromium-based) to versions 152.0.4191.52 or later to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-10T18:38:17.057Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72984","vendor":"Microsoft"}]
Threat ID: 6a91e410acd9273b4942e875
Added to database: 08/28/2026, 19:40:00 UTC
Last enriched: 10/06/2026, 21:26:11 UTC
Last updated: 10/11/2026, 06:48:18 UTC
Views: 69
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