CVE-2026-57084

Windows File Explorer Information Disclosure Vulnerability

CVSS 3.1 5.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 1 Nov 2026 18:57:17 UTC. Read the latest advisory.

cve-program · CVE-2026-57084

Published

Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-57084

Published

Microsoft Office 365 for Mac

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Office 365 for Mac",
                    "versions": [
                        {
                            "version": "1.0.0",
                            "lessThan": "16.112.26090911",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Office for Android

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Office for Android",
                    "versions": [
                        {
                            "version": "16.0.1",
                            "lessThan": "16.0.20430.20000",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Office LTSC for Mac 2021

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Office LTSC for Mac 2021",
                    "versions": [
                        {
                            "version": "16.0.1",
                            "lessThan": "16.112.26090911",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Office LTSC for Mac 2024

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Office LTSC for Mac 2024",
                    "versions": [
                        {
                            "version": "16.0.0",
                            "lessThan": "16.112.26090911",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON