Search/CVE-2026-78512
● CVE — High

CVE-2026-78512

VendormicrosoftProduct365 apps, microsoft 365, office 2016, office 2019, office 2021, office 2024, wordDiscoveredSep 8, 2026UpdatedSep 24, 2026

Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

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CVSS v3.1
8.8 HIGH
EPSS
0.82%
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 Reports2
2 intelligence reports available

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CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
9 relationships
Timeline
disclosure → media coverage
Sep 8, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 24, 2026