CVE-2026-57084: medium-severity vulnerability in Microsoft Office 365 for Mac
Windows File Explorer Information Disclosure Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.5%
Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Office 365 for MacMicrosoft · Microsoft Office for AndroidMicrosoft · Microsoft Office LTSC for Mac 2021Microsoft · Microsoft Office LTSC for Mac 2024Related CVEs — Microsoft Office 365 for Mac
In the same product, most dangerous first.
CVE-2021-42292HIGHMicrosoft Excel Security Feature Bypass VulnerabilityEPSS 43.0%KEVCVE-2023-21823HIGHWindows Graphics Component Remote Code Execution VulnerabilityEPSS 5.6%KEVCVE-2026-21514HIGHMicrosoft Word Security Feature Bypass VulnerabilityEPSS 1.6%KEVCVE-2023-21716CRITICALMicrosoft Word Remote Code Execution VulnerabilityEPSS 84.8%CVE-2023-36041HIGHMicrosoft Excel Remote Code Execution VulnerabilityEPSS 56.7%CVE-2023-32029HIGHMicrosoft Excel Remote Code Execution VulnerabilityEPSS 53.5%