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CVE-2026-87692

🗓️ 13 Oct 2026 19:01:10Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Deserialization of untrusted data in Microsoft Exchange Server allows local privilege escalation.

Related
Detection
Affected
Refs
Vulners
CNA
Node
microsoftexchange_serverRange15.01.0.0–15.01.2507.077cu_23x64
Node
microsoftexchange_serverRange15.02.0.0–15.02.1544.050cu_14x64
Node
microsoftexchange_server_rtmRange15.02.0.0–15.02.2562.056subscriptionx64
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2016 Cumulative Update 23",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.01.0.0",
        "lessThan": "15.01.2507.077",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2019 Cumulative Update 14",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.02.0.0",
        "lessThan": "15.02.1544.050",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server Subscription Edition RTM",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.02.0.0",
        "lessThan": "15.02.2562.056",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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14 Oct 2026 17:58Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.8
EPSS0.01587
SSVC
9