.NET Elevation of Privilege Vulnerability
Priority LOW 36CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
Summary
Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00466 40th percentileScored 2026-11-07
Fix Fixed SkiaSharp (Microsoft): 4.151.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | SkiaSharp | 4.151.2 to before 4.151.2 | 4.151.2 | Patch available | CNA |
- SkiaSharp VendorMicrosoft Affected 4.151.2 to before 4.151.2 Fixed in 4.151.2 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* | 8.0.0 to before 8.0.30; 9.0.0 to before 9.0.19 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* | 10.0.0 to before 10.0.11 | Vulnerable | Microsoft |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.0.30; 9.0.0 to before 9.0.19 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 10.0.0 to before 10.0.11 Vulnerable ·Microsoft
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
Remediation
- Fix · CNA SkiaSharp (Microsoft) Fixed in 4.151.2
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Hardened Images
- Red Hat OpenShift Dev Spaces
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| SkiaSharp 4.151.2 | Fixed | 4.151.2 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-58641
- 2026-10-03 Alias added: GHSA-cmww-63fh-m29g
References
More Microsoft .net vulnerabilities
- TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2023-19596 .NET and Visual Studio Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
- TI-2023-19588 Microsoft QUIC Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2024-14152 .NET and Visual Studio Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-58641 · CVE Program
- CVE-2026-58641 · NVD
- FIRST EPSS
- GHSA-cmww-63fh-m29g · GitHub Advisory Database · CC BY 4.0
- CVE-2026-58641 · Microsoft Security Update Guide
- CVE-2026-58641 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences