CVE-2026-55053 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55122 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-55122 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-55053

CVE-2026-55053 – Microsoft Excel heap-based buffer overflow in Microsoft Office Excel enables a local attacker to execute arbitrary code. The issue is described as a heap-based overflow affecting Excel, with the CVSS v3.1 vector indicating local attack, low attack complexity, and user interaction...

CVE-2026-55122

Technical details for CVE-2026-55122 are not publicly provided in the connected documents. The materials reference Excel Office vulnerabilities generally without specifics. Monitor for updates.

CVE-2026-55053 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55137 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55137 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55137

CVE-2026-55137 in Microsoft Excel is a heap-based buffer overflow in Microsoft Office Excel that allows an unauthorized, locally executed code when a user opens a malicious file or link. The CVSS 3.1 vector (L, L, N, R, U, C/H/I/H/A/H) indicates a HIGH-severity, local attack requiring user intera...

CVE-2026-55058 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55058 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55058

CVE-2026-55058 is an out-of-bounds read vulnerability in Microsoft Office Excel . The issue enables a local attacker to achieve remote code execution on a vulnerable system, as indicated by the CVSS vector: LOCAL attack, LOW attack complexity, with no privileges required and user interaction need...

CVE-2026-55037 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55037 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55037

CVE-2026-55037 affects Microsoft Office Excel. A heap-based buffer overflow in Excel allows an unauthenticated/unauthorized attacker to execute arbitrary code locally. The CVSSv3.1 vector indicates a local attack with low attack complexity, no privileges required, but user interaction is required...

CVE-2026-55054 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-55054 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-55054

CVE-2026-55054 is an information-disclosure vulnerability in Microsoft Office Excel caused by an out-of-bounds read. The issue affects Excel and can leak data over a network; exploitation requires user interaction (per CVSS metrics: Network vector, Low attack complexity, No privileges, User inter...

CVE-2026-55044 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55044

CVE-2026-55044: Out-of-bounds read in Microsoft Office Excel; vulnerability allows a local attacker to execute code. Affected product: Microsoft Office Excel. Root cause: out-of-bounds read (details not expanded in the provided docs). Impact: remote code execution on the local host with high seve...