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Windows MIDI Service Module Elevation of Privileges Vulnerability

🗓️ 08 Sep 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 49 Views

TOCTOU race condition in Windows MIDI Service Module enables local privilege escalation.

Related
Detection
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
MIDI Service Privilege Escalation
8 Oct 202600:00
–bdu_fstec
circl
Circl
CVE-2026-78464
8 Sep 202622:06
–circl
cve
CVE
CVE-2026-78464
8 Sep 202617:18
–cve
cvelist
Cvelist
CVE-2026-78464 Windows MIDI Service Module Elevation of Privileges Vulnerability
8 Sep 202617:18
–cvelist
euvd
EUVD
EUVD-2026-73813
8 Sep 202617:18
–euvd
mskb
Microsoft KB
September 8, 2026—KB5124012 (OS Build 28000.2954)
13 Oct 202614:00
–mskb
nvd
NVD
CVE-2026-78464
8 Sep 202618:20
–nvd
ptsecurity
Positive Technologies
PT-2026-109392
8 Sep 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-88005
8 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-78464: Time-of-check Time-of-use (TOCTOU) Race Condition
8 Sep 202600:00
–rapid7
Rows per page
Vulners
Node
OR
microsoftwindows_11_26h1Range<10.0.28000.2954x64
microsoftwindows_11_26h1Range<10.0.28000.2954x64
microsoftwindows_11_24h2Range<10.0.26100.9445x64
microsoftwindows_11_24h2Range<10.0.26100.9445x64
microsoftwindows_11_25h2Range<10.0.26200.9445x64
microsoftwindows_11_25h2Range<10.0.26200.9445x64

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08 Sep 2026 14:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17
EPSS0.00202
SSVC
49