CVE catalog

CVE-2026-42832

Improper access control in Microsoft Office allows an…

[CVE catalog]

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

Severity
High · CVSS 7.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
Source
[NVD] · [CVE record]
EPSS
0.22% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "excel",
      "ecosystem": "cpe",
      "fixed_version": "16.0.19822.20190"
    },
    {
      "name": "office",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "office_long_term_servicing_channel",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "word",
      "ecosystem": "cpe",
      "fixed_version": "16.0.19822.20190"
    },
    {
      "name": "excel",
      "ranges": [
        {
          "fixed": "16.0.19822.20190",
          "introduced": "",
          "last_affected": "",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "16.0.19822.20190",
      "provider_record_id": "NVD-CVE-2026-42832"
    },
    {
      "name": "office",
      "ranges": [],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-42832"
    },
    {
      "name": "office_long_term_servicing_channel",
      "ranges": [],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-42832"
    },
    {
      "name": "word",
      "ranges": [
        {
          "fixed": "16.0.19822.20190",
          "introduced": "",
          "last_affected": "",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "16.0.19822.20190",
      "provider_record_id": "NVD-CVE-2026-42832"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References