CVE-2015-0015
HighSummary
A vulnerability in Microsoft Windows Server 2003 SP2, Server 2008 SP2 and R2 SP1, and Server 2012 Gold and R2 allows remote attackers to cause a denial of service through crafted username strings. This affects Internet Authentication Service (IAS) and Network Policy Server (NPS).
Risk Assessment
Attackers can cause system hangs and RADIUS outages, leading to significant disruptions in the organization's network services.
Recommendation
It is recommended to update systems to the latest versions and monitor logs for suspicious login attempts.
Related vulnerabilities
- CVE-2026-87886HighActively exploited
Local privilege escalation due to insecure file permissions. Affects Acronis Backup plugins for cPanel & WHM, Plesk, and DirectAdmin in versions older than the specified builds.
- CVE-2026-87701Critical
Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.
- CVE-2026-85889Critical
Missing authentication for a critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-85885Critical
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.
- CVE-2026-83944Critical
Improper access control in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-77903Critical
Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-70200Critical
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-70009Critical
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-69865Critical
Authorization bypass through a user-controlled key in Microsoft Container Registry allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-69399Critical
Elevation of Privilege vulnerability in Azure Arc. Technical details were not provided in the description.
Original NVD description (English source)
Microsoft Windows Server 2003 SP2, Server 2008 SP2 and R2 SP1, and Server 2012 Gold and R2 allow remote attackers to cause a denial of service (system hang and RADIUS outage) via crafted username strings to (1) Internet Authentication Service (IAS) or (2) Network Policy Server (NPS), aka "Network Policy Server RADIUS Implementation Denial of Service Vulnerability."

