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Vulnerability record · CVE-2026-45649 · published 9 June 2026

CVE-2026-45649: Microsoft excel improper access control vulnerability

Microsoft · Excel

Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.

7.1 CVSS 3.1 High EPSS 0.44% · top 64.0% CWE-284 · Improper access control
7.1CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
1References
23 Jul 2026Last modified by NVD

Description

Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45649 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-45649), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.