Search/CVE-2026-78444
● CVE — High

CVE-2026-78444

VendormicrosoftProductwindows 10 1809, windows server 2019, windows server 2022, windows server 2025DiscoveredSep 8, 2026UpdatedSep 11, 2026

Untrusted pointer dereference in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.

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CVSS v3.1
8.1 HIGH
EPSS
0.71%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Intelligence Reports4
4 intelligence reports available

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EPSS Trend
Sep 10, 2026 → Sep 25, 2026
▲ 0.19pp
0.52% → 0.71% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
5 relationships
Timeline
disclosure → media coverage
Sep 8, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 11, 2026