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CVE-2026-55131

—
CVSS 3.1
7.8 high
EPSS
<1%p39
Published
()
Modified
Description

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

Vendors
microsoft
Products
365 apps, excel, microsoft 365, office 2019, office 2021, office 2024, office online server
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 (0.5%)

In the news

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