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7.1
Microsoft Excel Allows Unauthorized Access to Local Data
CVE-2026-32188
Summary
A vulnerability in Microsoft Excel could allow an attacker to access and read sensitive data stored on a local computer. This could happen if a user opens a malicious file or visits a compromised website. To protect your data, ensure you only open files from trusted sources and keep your Microsoft Office software up to date with the latest security patches.
Original title
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Original description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd CVSS3.1
7.1
Vulnerability type
CWE-125
Out-of-bounds Read
Published: 14 Apr 2026 · Updated: 14 Apr 2026 · First seen: 14 Apr 2026