CVE-2026-62693

Windows MIDI Service Module Elevation of Privileges Vulnerability

CVSS 3.1 7.0 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-62693

Published

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-62693

Published

Windows 11 Version 24H2

Vendor product

Publisher's version information

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

{
                    "vendor": "Microsoft",
                    "product": "Windows 11 Version 24H2",
                    "platforms": [
                        "ARM64-based Systems",
                        "x64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "10.0.26100.0",
                            "lessThan": "10.0.26100.9168",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Windows 11 Version 25H2

Vendor product

Publisher's version information

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

{
                    "vendor": "Microsoft",
                    "product": "Windows 11 Version 25H2",
                    "platforms": [
                        "ARM64-based Systems",
                        "x64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "10.0.26200.0",
                            "lessThan": "10.0.26200.9168",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Windows 11 version 26H1

Vendor product

Publisher's version information

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

{
                    "vendor": "Microsoft",
                    "product": "Windows 11 version 26H1",
                    "platforms": [
                        "ARM64-based Systems",
                        "x64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "10.0.28000.0",
                            "lessThan": "10.0.28000.2704",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

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