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CVE-2026-40421 Microsoft Word Information Disclosure Vulnerability

🗓️ 12 May 2026 16:58:48Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

CVE-2026-40421 is a Microsoft Word information disclosure vulnerability.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40421
12 May 202616:58
attackerkb
Circl
CVE-2026-40421
12 May 202615:53
circl
CNNVD
Microsoft Word 安全漏洞
12 May 202600:00
cnnvd
CVE
CVE-2026-40421
12 May 202616:58
cve
EUVD
EUVD-2026-29678
12 May 202618:30
euvd
Microsoft KB
Description of the security update for Word 2016: May 12, 2026 (KB5002858)
12 May 202614:00
mskb
Kaspersky
KLA91035 Multiple vulnerabilities in Microsoft Office
12 May 202600:00
kaspersky
Microsoft CVE
Microsoft Word Information Disclosure Vulnerability
12 May 202614:00
mscve
NCSC
vulnerabilities present in Microsoft Office
12 May 202617:53
ncsc
NVD
CVE-2026-40421
12 May 202618:17
nvd
Rows per page
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft 365 Apps for Enterprise",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "16.0.1",
        "lessThan": "https://aka.ms/OfficeSecurityReleases",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office 2019",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "19.0.0",
        "lessThan": "https://aka.ms/OfficeSecurityReleases",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office LTSC 2021",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "16.0.1",
        "lessThan": "https://aka.ms/OfficeSecurityReleases",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office LTSC 2024",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "16.0.0",
        "lessThan": "https://aka.ms/OfficeSecurityReleases",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Word 2016",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "16.0.1",
        "lessThan": "16.0.5552.1000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 19:17Current
CVSS 3.14.3
EPSS0.0062
32