Lucene search
K

CVE-2026-45469

🗓️ 09 Jun 2026 17:04:20Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

CVE-2026-45469 enables an unauthorized attacker to trigger integer underflow in Microsoft Excel and execute code locally.

Related
Detection
Affected
Refs
Vulners
CNA
Node
microsoftmicrosoft_365_appsMatch16.0.1enterprisex32
OR
microsoftmicrosoft_365_appsMatch16.0.1enterprisex64
Node
microsoftexcel_2016Range16.0.0.016.0.5556.1001x32
OR
microsoftexcel_2016Range16.0.0.016.0.5556.1001x64
Node
Node
Node
microsoftoffice_online_serverRange16.0.0.016.0.10417.20137
[
  {
    "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 Excel 2016",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "16.0.0.0",
        "lessThan": "16.0.5556.1001",
        "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 365 for Mac",
    "versions": [
      {
        "version": "-",
        "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 Office LTSC for Mac 2021",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office LTSC for Mac 2024",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Office Online Server",
    "versions": [
      {
        "version": "16.0.0.0",
        "lessThan": "16.0.10417.20137",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

09 Jun 2026 21:49Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.8
SSVC
3