CVE-2026-45459

LOW EPSS 29.0%
Published Jun 9, 20262w ago · Modified Jun 19, 20261w ago
3.3 CVSS 3.1
Low
Find Similar
Published Jun 9, 2026 2w ago
Last Modified Jun 19, 2026 1w ago

Description

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

CVSS Details

Base Score
3.3
Exploitability
1.8
Impact
1.4
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
29.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-693

Affected Products 7

VendorProductVersionRange
microsoft365_apps*any
microsoft365_apps*any
microsoftmicrosoft_365*any
microsoftoffice_2021*any
microsoftoffice_2024*any
microsoftoffice_2024*any
microsoftoffice_2024*any

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45459
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.