Description
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
Affected products
microsoft: excel; microsoft: office; microsoft: office long term servicing channel; microsoft: word
References1
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832 Vendor Advisory
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - EPSS — exploit probability
- 0% percentile: 13 · as of 14 November 2026
- CWE
- CWE-284
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.