CVE-2026-45459

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CVSS 3.1

3.3 low

EPSS

<1%p30

Published

Jun 9, 2026 (Jun 9, 2026)

Modified

Jul 23, 2026

Description

Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

Vendors: microsoft
Products: 365 apps, microsoft 365, office 2021, office 2024
Weakness: CWE-693
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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