Microsoft Security Center Center News

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Updated: 40 min 49 sec ago

CVE-2026-55054 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 over a network.
Categories: Microsoft

CVE-2026-55037 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-2026-55058 Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-55038 Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-55132 Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-55137 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-2026-55053 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-2026-55122 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-2026-55057 Microsoft Office Information Disclosure Vulnerability

Tue, 07/14/2026 - 14:00
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
Categories: Microsoft

CVE-2026-55131 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-2026-55126 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-2026-55051 Microsoft SharePoint Server Information Disclosure Vulnerability

Tue, 07/14/2026 - 14:00
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
Categories: Microsoft

CVE-2026-55134 Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-55056 Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-55040 Microsoft SharePoint Server Security Feature Bypass Vulnerability

Tue, 07/14/2026 - 14:00
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
Categories: Microsoft

CVE-2026-55142 Microsoft Word Information Disclosure Vulnerability

Tue, 07/14/2026 - 14:00
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Categories: Microsoft

CVE-2026-55140 Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-55128 Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-55130 Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-55042 Microsoft Office Information Disclosure Vulnerability

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

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