EUVD-2026-56345
GHSA-pq28-gfgg-fr6f
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local-only exploitation via race condition timing (AV:L/AC:H); low-privileged session required (PR:L); full impact on host with no scope change (S:U/C:H/I:H/A:H).
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
AnalysisAI
Windows MIDI Service Module on Windows 11 contains a race condition enabling a locally authenticated low-privileged attacker to escalate privileges to a higher-integrity context, with full confidentiality, integrity, and availability impact upon success. Affected builds span Windows 11 versions 24H2, 25H2, and 26H1 below specific patch thresholds confirmed by ENISA EUVD-2026-56345. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an attacker to possess a low-privileged local or domain user account with the ability to interactively log on to the target system (CVSS PR:L, AV:L confirmed). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.0 score captures meaningful risk but must be contextualized by operational signals. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patch via Windows Update or WSUS, targeting build 10.0.26200.9168 or later for Windows 11 25H2, build 10.0.26100.9168 or later for Windows 11 24H2, and build 10.0.28000.2704 or later for Windows 11 26H1. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Windows 11 systems running versions 24H2, 25H2, or 26H1 in your environment using asset management or endpoint protection tools. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Windows 11 24h2
View allWindows Internet Shortcut Files (.url) contain an external control vulnerability (CVE-2025-33053, CVSS 8.8) that enables
Windows SMB contains an improper access control vulnerability (CVE-2025-33073, CVSS 8.8) enabling authenticated attacker
Active Directory Domain Services contains an elevation of privilege vulnerability that allows authenticated domain users
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitab
Microsoft Scripting Engine contains a type confusion vulnerability allowing unauthorized remote code execution over the
Windows Task Scheduler Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low a
A security feature bypass in Microsoft Management Console (MMC) allows attackers to evade security warnings and execute
Privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows a locally authenticated attac
Windows CLFS Driver contains an input validation flaw enabling local privilege escalation, yet another CLFS kernel vulne
Windows Mark of the Web Security Feature Bypass Vulnerability. Rated medium severity (CVSS 5.4), this vulnerability is r
Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow enabling local privilege escalation
Windows Shell contains a protection mechanism failure (CVE-2026-21510, CVSS 8.8) that allows unauthenticated remote atta
Same weakness CWE-362 – Race Condition
View allSame technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today