🛡️ CVE-2026-58283 — edge-chromium

🟠 CVSS 8.1 — High ✅ No Known Exploit CWE-843 NVD
8.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity high, availability low.

Weakness class

CVE-2026-58283 is classified as CWE-843: Type Confusion. A resource is accessed as one type while actually being another, so the interpretation of its memory is wrong.

Affected software

CVE-2026-58283 is recorded against 1 package.

  • edge-chromium (fixed in 150.0.4078.48)

Timeline and source

Published on 3 July 2026 and last revised on 6 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

msrc.microsoft.com

Details

Severity HIGH
CVSS Score 8.1
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
CWE CWE-843
Public Exploit ✅ No
Source NVD
Published 2026-07-03
Updated 2026-08-11
Modified 2026-07-06
Fix URL N/A

Affected Packages

Software From version Fixed in
edge-chromium — 150.0.4078.48

Similar Threats

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