CVE-2026-58289 json
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
published 2026-07-03 4 mo ago modified 2026-11-01 7 d ago also EUVD-2026-41586
- cvss
- 9.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 1
- Exploit-DB
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Patch / fix
- Microsoft Microsoft Edge (Chromium-based) 150.0.4078.48
Timeline
- Published
- First public exploit (EDB-52632)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4 mo ago
Exploit prediction
1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-52632 Microsoft Edge 150.0.4078.48 - RCE local, 2026-08-10
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Edge (Chromium-based)
Classification
- Weakness
-
- CWE-843 Access of Resource Using Incompatible Type
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-58289
vendor-advisory, patch
Sources
- CVE List CVE-2026-58289
- NVD CVE-2026-58289
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