CVE-2026-45490
Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
- Who is affected
- Users of the .NET SDK are affected by this vulnerability.
- Urgency
- Remediation is urgent due to the high severity of the vulnerability.
- Action
- Users should apply the necessary updates to the .NET SDK.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-45490: .NET SDK Elevation of Privilege Vulnerabilitymsrc · 2026-06-09
External references
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