Vulnerability in Microsoft Excel
CVE-2026-45649
Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Microsoft Excel
- Microsoft Excel For Android — versions 16.0.0.0
- Microsoft Powerpoint For Android — versions 16.0.0.0
- Microsoft Word For Android — versions 16.0.0.0
- Microsoft Powerpoint
- Microsoft Word
Weakness classification (CWE)
References
- Office for Android Spoofing Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-45649?
- CVE-2026-45649 is a high-severity vulnerability in Microsoft Excel, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-06-09.
- How severe is CVE-2026-45649?
- High severity. CVSS v3 base score is 7.1 out of 10.