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Vulnerability3 · 1 read

CVE-2026-42831

CVSS 3.1
7.8 high
EPSS
<1%p37
Published
·
Modified
Analyze CVE-2026-42831 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

Vendors
microsoft
Products
365 copilot, office, office long term servicing channel
Weakness
CWE-122
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.4%)

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