ASP.NET Core Elevation of Privilege Vulnerability
CVSS score
8.8
EPSS probability
%0.8
Risk score
0.1
Published
2 mo ago
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Impact on My Inventory
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Vulnerability description
DayBreach CVE AI Research
CVE-2026-47303 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-47303 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | microsoft | .NET 10.0 | View |
| 2 | microsoft | .NET 8.0 | View |
| 3 | microsoft | .NET 9.0 | View |
| 4 | microsoft | Microsoft Visual Studio 2022 version 17.12 | View |
| 5 | microsoft | Microsoft Visual Studio 2022 version 17.14 | View |
| 6 | microsoft | Microsoft Visual Studio 2026 version 18.7 | View |
| 7 | microsoft | .net | View |
| 8 | microsoft | .net | View |
| 9 | apple | macos | View |
| 10 | linux | linux kernel | View |
| 11 | microsoft | windows | View |
| 12 | microsoft | .net | View |
| 13 | microsoft | visual studio 2022 | View |
| 14 | microsoft | visual studio 2022 | View |
| 15 | microsoft | visual studio 2026 | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 8.8 | CVSS 3.x | — | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | Microsoft MSRC |
| 8.8 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD |
| 8.8 | CVSS V3_1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
14 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.
Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-47303 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-47303 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
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Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-47303"