CVE-2026-70179
ASP.NET Core Elevation of Privilege Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 17.14.42, 18.10.4, 10.0.13
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Timeline
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- CVE published
- Record last updated
Affected versions
- Microsoft Microsoft Visual Studio 2022 version 17.14
From 17.14.0 · fixed in 17.14.42
- Microsoft Microsoft Visual Studio 2026 version 18.10
From 18.10.0 · fixed in 18.10.4
- Microsoft Microsoft.AspNetCore.Authentication.Negotiate
From 10.0.0 · fixed in 10.0.13