Vulnerability details
CVE-2026-108398
Microsoft .NET Framework ANDMicrosoft .NET Framework
.NET Framework Security Feature Bypass Vulnerability
CVSS 3.1
8.8High
Official description
Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.
Related news
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | 3.0.0.0 ≤ v < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 ≤ v < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 ≤ v < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 ≤ v < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 ≤ v < 4.7.4150.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 ≤ v < 4.8.4811.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.8.1 | 4.8.0.0 ≤ v < 4.8.9363.0 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108398 vendor-advisorypatch
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Details
- Published
- 2026-10-13
- Last updated
- 2026-11-11
- State
- Published
- Assigner (CNA)
- microsoft
- Kolun priority
- 37 · Medium
Exploit prediction (EPSS)
0.77%
Probability of exploitation in 30 days
56.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-426Untrusted Search Path