{
  "fix": "MongoDB 8.3.3",
  "url": "https://patchblox.com/security/fix/windows-app/mongodb.server-8.3.3",
  "summary": "MongoDB 8.3.3, released May 28, 2026, fixes 13 CVEs in MongoDB. None of them is reported as exploited. Patch Radar priority: High. The latest MongoDB is 9.0.4, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "MongoDB 8.3.3",
  "released": "2026-05-28T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-9750, high severity",
  "supported": true,
  "cveCount": 13,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00368,
  "maxCvss": 8.7,
  "appliesTo": [
    {
      "product": "MongoDB",
      "productUrl": "https://patchblox.com/security/product/windows-app/mongodb",
      "fixedVersion": "8.3.3",
      "latestVersion": "9.0.4",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "MongoDB",
    "latestVersion": "9.0.4",
    "productUrl": "https://patchblox.com/security/product/windows-app/mongodb"
  },
  "cves": [
    {
      "cveId": "CVE-2026-9750",
      "url": "https://patchblox.com/security/cve/CVE-2026-9750",
      "title": "Metadata name collision on $-prefixed fields causes post-auth server crash",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00368,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9742",
      "url": "https://patchblox.com/security/cve/CVE-2026-9742",
      "title": "Authenticate command with specific mechanism parameter can trigger server crash",
      "priority": "High",
      "cvss": 8.2,
      "epss": 0.00347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9740",
      "url": "https://patchblox.com/security/cve/CVE-2026-9740",
      "title": "Unbounded recursion in BSONColumn interleaved-reference causes pre-auth stack overflow",
      "priority": "High",
      "cvss": 8.7,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9748",
      "url": "https://patchblox.com/security/cve/CVE-2026-9748",
      "title": "$_internalConvertBucketIndexStats may crash the mongod server when working on no timeseries input",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00323,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9753",
      "url": "https://patchblox.com/security/cve/CVE-2026-9753",
      "title": "Server crash via malformed binary diff passed to $_internalApplyOplogUpdate.",
      "priority": "High",
      "cvss": 7.2,
      "epss": 0.00298,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9746",
      "url": "https://patchblox.com/security/cve/CVE-2026-9746",
      "title": "Server crashes in case of the use of exchange",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.0027,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9747",
      "url": "https://patchblox.com/security/cve/CVE-2026-9747",
      "title": "Crafted cross-shard merge aggregation crashes MongoDB Server",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.0027,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9749",
      "url": "https://patchblox.com/security/cve/CVE-2026-9749",
      "title": "Using MaxKey() may crash the server",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.0027,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9752",
      "url": "https://patchblox.com/security/cve/CVE-2026-9752",
      "title": "GeometryCollection with strict-winding polygon causes server crash during 2dsphere index key generation",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.0027,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9754",
      "url": "https://patchblox.com/security/cve/CVE-2026-9754",
      "title": "Stack memory disclosure in filemd5 command",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00224,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9741",
      "url": "https://patchblox.com/security/cve/CVE-2026-9741",
      "title": "Client side encryption fails to encrypt values in a $vectorSearch",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00103,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9735",
      "url": "https://patchblox.com/security/cve/CVE-2026-9735",
      "title": "Keyfile contents are in MongoDB Server logs",
      "priority": "Routine",
      "cvss": 6.8,
      "epss": 0.00119,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9751",
      "url": "https://patchblox.com/security/cve/CVE-2026-9751",
      "title": "Sensitive data could be written to mongod.log",
      "priority": "Routine",
      "cvss": 6.8,
      "epss": 0.00109,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}