Microsoft Excel Information Disclosure Vulnerability

Rocco Calvi

September 12, 2023

CVE: CVE-2023-36766
CVSS: 7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors: Microsoft
Affected Products: Microsoft Excel

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Microsoft Excel. User interaction is required to exploit this vulnerability in that the target must open a malicious file.

The specific flaw exists within the handling of Excel files. An attacker can leverage this vulnerability to disclose information in the context of the current process.

Additional Details

Microsoft Security Advisory

Disclosure Timeline

2023-09-12 — Coordinated public release of advisory