CVE-2026-42832
Microsoft Office Spoofing Vulnerability
MEDIUM
5.5
CVSS Score
Published: May 12, 2026 at 04:59 PM UTC
Updated: June 17, 2026 at 10:48 AM UTC
6 products affected across 1 vendorOfficeExcelOffice Long Term Servicing Channel
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 16.0.19822.20190, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.19822.20190, so it looks safe — our inference, not a vendor statement
16.0.1 ≤ v < 16.109.2605101916.0.1
Affected range stops below 16.109.26051019, so it looks safe — our inference, not a vendor statement
16.0.0 ≤ v < 16.109.2605101916.0.0
Affected range stops below 16.109.26051019, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-284NVD-CWE-noinfo
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