CVE-2026-58596: CWE-822: Untrusted Pointer Dereference in Microsoft Microsoft Edge (Chromium-based)
Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-58596) is classified as CWE-822: Untrusted Pointer Dereference in Microsoft Edge (Chromium-based). It enables an attacker without privileges to elevate their privileges remotely via network access. The CVSS 3.1 base score is 8.3, reflecting high impact on confidentiality, integrity, and availability, with a requirement for user interaction and high attack complexity. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
Successful exploitation allows an attacker to elevate privileges remotely, resulting in complete compromise of the affected system's confidentiality, integrity, and availability. This could enable execution of arbitrary code with elevated rights.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as soon as possible. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58596 for detailed patching instructions.
CVE-2026-58596: CWE-822: Untrusted Pointer Dereference in Microsoft Microsoft Edge (Chromium-based)
Description
Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.3high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-58596) is classified as CWE-822: Untrusted Pointer Dereference in Microsoft Edge (Chromium-based). It enables an attacker without privileges to elevate their privileges remotely via network access. The CVSS 3.1 base score is 8.3, reflecting high impact on confidentiality, integrity, and availability, with a requirement for user interaction and high attack complexity. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
Successful exploitation allows an attacker to elevate privileges remotely, resulting in complete compromise of the affected system's confidentiality, integrity, and availability. This could enable execution of arbitrary code with elevated rights.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as soon as possible. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58596 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T18:03:43.124Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58596","vendor":"Microsoft"}]
Threat ID: 6a53b3b368715ace437d964c
Added to database: 07/12/2026, 15:33:07 UTC
Last enriched: 07/12/2026, 15:47:29 UTC
Last updated: 07/12/2026, 21:38:46 UTC
Views: 23
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