High severity · published Jun 9, 2026
CVE-2026-45649
Office for Android Spoofing Vulnerability
7.1
CVSS
0.4%
EPSS
No
On KEV
Description
Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Microsoft Excel for Android · Microsoft
16.0.0.0 before 16.0.20131.20024 · source: vendor
MP
Microsoft PowerPoint for Android · Microsoft
16.0.0.0 before 16.0.20131.20024 · source: vendor
MW
Microsoft Word for Android · Microsoft
16.0.0.0 before 16.0.20131.20024 · source: vendor
EX
Excel · Microsoft
All versions, or not specified · source: NVD
PO
Powerpoint · Microsoft
All versions, or not specified · source: NVD
WO
Word · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-45649
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-45649
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45649
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