Microsoft Security Center Center News

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Updated: 24 min 2 sec ago

CVE-2026-55139 Microsoft Office Information Disclosure Vulnerability

Tue, 07/14/2026 - 14:00
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Categories: Microsoft

CVE-2026-55043 Microsoft PowerPoint Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-55133 Microsoft OneNote Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-55123 Microsoft PowerPoint Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-55120 Microsoft PowerPoint Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-55052 Microsoft SharePoint Elevation of Privilege Vulnerability

Tue, 07/14/2026 - 14:00
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Categories: Microsoft

CVE-2026-55135 Microsoft SharePoint Server Spoofing Vulnerability

Tue, 07/14/2026 - 14:00
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Categories: Microsoft

CVE-2026-50468 Microsoft SQL Server Information Disclosure Vulnerability

Tue, 07/14/2026 - 14:00
Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.
Categories: Microsoft

CVE-2026-54116 Microsoft SQL Server Information Disclosure Vulnerability

Tue, 07/14/2026 - 14:00
Access of resource using incompatible type ('type confusion') in SQL Server allows an authorized attacker to disclose information over a network.
Categories: Microsoft

CVE-2026-55145 Outlook Copilot Tampering Vulnerability

Tue, 07/14/2026 - 14:00
Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perform tampering over a network.
Categories: Microsoft

CVE-2026-54131 Microsoft Excel Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-55898 Microsoft Excel Information Disclosure Vulnerability

Tue, 07/14/2026 - 14:00
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Categories: Microsoft

CVE-2026-55944 Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.
Categories: Microsoft

CVE-2026-55947 Microsoft Excel Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-55949 Microsoft Excel Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-56156 Microsoft Excel Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Categories: Microsoft

CVE-2026-56157 Microsoft SharePoint Server Spoofing Vulnerability

Tue, 07/14/2026 - 14:00
Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Categories: Microsoft

CVE-2026-41109 GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability

Tue, 07/14/2026 - 14:00
Improper neutralization of special elements in output used by a downstream component ('injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to bypass a security feature over a network.
Categories: Microsoft

CVE-2026-56159 DHCP Server Service Remote Code Execution Vulnerability

Tue, 07/14/2026 - 14:00
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Categories: Microsoft

CVE-2026-50359 Microsoft XML Core Services Elevation of Privilege Vulnerability

Tue, 07/14/2026 - 14:00
Use after free in Microsoft XML Core Services allows an authorized attacker to elevate privileges locally.
Categories: Microsoft

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