Review reviewHigh

CVE-2026-45649

Microsoft Microsoft Excel for Android, Microsoft PowerPoint for Android, Microsoft Word for Android

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

CVSS
7.1
EPSS
0.42%
34.5% percentile
CISA KEV
Not listed
Published
2026.06.10
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.42%
Technical severityCVSS 7.1

Vulnerability overview

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

Affected product and versions

Product
Microsoft Microsoft Excel for Android, Microsoft PowerPoint for Android, Microsoft Word for Android
Affected versions
>= 16.0.0.0 < 16.0.20131.20024
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Microsoft Microsoft Excel for Android, Microsoft PowerPoint for Android, Microsoft Word for Android and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE
CWE-284