Microsoft Office
CVE-2026-42832 — Microsoft Office Spoofing Vulnerability
Executive Summary
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
Overview
5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.7
EPSS Score
0.00222
probability of exploitation in the next 30 days
0.12577 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
4 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Excel for Android | Release Notes (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Office LTSC for Mac 2021 | Release Notes (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Office LTSC for Mac 2024 | Release Notes (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Word for Android | Release Notes (Security Update) |
Important | Spoofing | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
On This Page