CVE-2026-55046

CVE-2026-55046 is an out-of-bounds read vulnerability in Microsoft Office Excel that allows an unauthorized attacker to disclose information locally. The CVE is documented in multiple feeds (NVD, MSRC, CIRCL sightings) with a CVSS v3.1 base score of 5.5 (Medium) and a local attack vector with use...

CVE-2026-55046 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-55046 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-50408 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-50408

CVE-2026-50408 is an information-disclosure vulnerability in Microsoft Office Excel caused by an out-of-bounds read that can disclose information locally to an attacker. The NVD/NCSC entries corroborate Excel as the affected product; Microsoft’s MSRC entry labels it as a Excel information-disclos...

CVE-2026-55024 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55024 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-50408 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-48580 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-48580 Microsoft Excel Information Disclosure Vulnerability

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CVE-2026-48580

CVE-2026-48580 affects Microsoft Office Excel. The vulnerability is an untrusted pointer dereference in Excel that can allow an attacker to disclose information locally. Based on linked sources, this is a local vulnerability with medium severity (CVSS 3.1: 5.5) and requires user interaction; expl...

CVE-2026-47642

CVE-2026-47642 is a Microsoft Office Excel vulnerability described as a use-after-free in Excel that enables a local attacker to execute code. The connected sources confirm the issue affects Microsoft Excel and is capable of arbitrary-code execution, with a CVSSv3.1 base score of 7.8 (HIGH). Atta...

CVE-2026-47642 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-47642 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-58618 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-58618 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55948 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55948 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55899 Microsoft Excel Remote Code Execution Vulnerability

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CVE-2026-55899

Microsoft Excel is affected by a stack-based buffer overflow (CVE-2026-55899) that can allow a local attacker to execute code with high impact. The CVSS indicates local access with user interaction required and high confidentiality/integrity/availability impact. Root cause: overflow in Excel’s ha...