CVE-2026-21249 Windows NTLM Spoofing Vulnerability

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.


CVE-2026-21247 Windows Hyper-V Remote Code Execution Vulnerability

Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.


CVE-2026-21251 Cluster Client Failover (CCF) Elevation of Privilege Vulnerability

Use after free in Windows Cluster Client Failover allows an authorized attacker to elevate privileges locally.


CVE-2026-21260 Microsoft Outlook Spoofing Vulnerability

Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.


CVE-2026-21248 Windows Hyper-V Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.


CVE-2026-21258 Microsoft Excel Information Disclosure Vulnerability

Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.


CVE-2026-21259 Microsoft Excel Elevation of Privilege Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.


CVE-2026-21512 Azure DevOps Server Cross-Site Scripting Vulnerability

Server-side request forgery (ssrf) in Azure DevOps Server allows an authorized attacker to perform spoofing over a network.


CVE-2026-21261 Microsoft Excel Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.


CVE-2026-21246 Windows Graphics Component Elevation of Privilege Vulnerability

Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

AbuseIPDB Contributor Badge