Vulnerability details
CVE-2026-58299
Microsoft Edge
Microsoft Edge for Android Remote Code Execution Vulnerability
CVSS 3.1
7.5High
Official description
Time-of-check time-of-use (toctou) race condition in Microsoft Edge for Android allows an unauthorized attacker to execute code over a network.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | 1.0.0.0 ≤ v < 150.0.4078.48 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58299 vendor-advisorypatch
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Details
- Published
- 2026-07-04
- Last updated
- 2026-11-01
- State
- Published
- Assigner (CNA)
- microsoft
Exploit prediction (EPSS)
0.46%
Probability of exploitation in 30 days
40.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition