CVE-2026-55948

CVE-2026-55948 is a use-after-free vulnerability in Microsoft Office Excel that can allow local code execution. Affected: Excel (Office). Root cause: use-after-free in the Excel component. Impact: HIGH for confidentiality, integrity, and availability. CVSS v3.1 base score 7.8; attack vector LOCAL...

CVE-2026-55948

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-50678

CVE-2026-50678: A heap-based buffer overflow in Microsoft Excel (Office) allows local information disclosure. CVSS v3.1 base score 6.6 (Medium): AV:L, AC:L, PR:N, UI:R, S:U, C:L, I:L, A:H. No exploit details are provided in the accompanying documents; remediation status/patch info not specified.

CVE-2026-50675

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

CVE-2026-54108

CVE-2026-54108 affects Microsoft SharePoint Server. An authorized attacker can influence a file name or path in SharePoint, enabling network-based spoofing. CVSS v3.1: 6.5 (MEDIUM), AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. Root cause details are not provided in the supplied documents; no exploitation...

Description of the security update for Office 2016: July 14, 2026 (KB5002273)

None None...

Microsoft Office Information Disclosure Vulnerability

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

Microsoft Word Remote Code Execution Vulnerability

Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally...

Microsoft Office Remote Code Execution Vulnerability

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally...

Microsoft Office Information Disclosure Vulnerability

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

Microsoft Office Information Disclosure Vulnerability

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

Microsoft Office Remote Code Execution Vulnerability

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally...

Microsoft Office Remote Code Execution Vulnerability

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally...

Microsoft Office Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally...

Microsoft Office Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally...

Microsoft Office Remote Code Execution Vulnerability

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally...

Microsoft Excel Remote Code Execution Vulnerability

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

Microsoft Office Information Disclosure Vulnerability

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

Microsoft Office Information Disclosure Vulnerability

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

Microsoft SharePoint Elevation of Privilege Vulnerability

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network...