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CVE-2026-55899

Microsoft Office Excel

Description

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

CVSS 7.8EPSS 0.303%Risk 0.8
View source
Published
2026-07-14 17:17:09
Affected versions
unknown
Type
Library
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Operating systems
MacOS