| CVE-2026-45584 | 高8.1 | Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network. | 20/05/2026 |
| CVE-2026-45498KEV | 高7.5 | Microsoft Defender Denial of Service Vulnerability | 20/05/2026 |
| CVE-2026-42834 | 高7.8 | Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network. | 20/05/2026 |
| CVE-2026-41091KEV | 高7.8 | Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally. | 20/05/2026 |
| CVE-2026-45495 | 緊急9.8 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 18/05/2026 |
| CVE-2026-45494 | 中6.1 | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 18/05/2026 |
| CVE-2026-45492 | 中5.4 | Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network. | 18/05/2026 |
| CVE-2026-42822 | 緊急10.0 | Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network. | 18/05/2026 |
| CVE-2026-42897KEV | 中6.1 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network. | 14/05/2026 |
| CVE-2026-41615 | 高7.4 | Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network. | 14/05/2026 |
| CVE-2026-42899 | 高7.5 | Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network. | 12/05/2026 |
| CVE-2026-42898 | 緊急9.9 | Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network. | 12/05/2026 |
| CVE-2026-42893 | 高7.5 | Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a network. | 12/05/2026 |
| CVE-2026-42891 | 中6.5 | User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. | 12/05/2026 |
| CVE-2026-42838 | 中5.4 | Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network. | 12/05/2026 |
| CVE-2026-42833 | 緊急9.1 | Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network. | 12/05/2026 |
| CVE-2026-42832 | 中5.5 | Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally. | 12/05/2026 |
| CVE-2026-42831 | 高7.8 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | 12/05/2026 |
| CVE-2026-42830 | 中6.5 | Untrusted search path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally. | 12/05/2026 |
| CVE-2026-41614 | 中6.2 | Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally. | 12/05/2026 |