CVE-2026-62903

High (7.4)—

Schedule the patchSeverity High 7.4. No public exploit or active exploitation known.

Severity7.4High · CVSS 3.1

Exploitation probability0.65 %higher than 51% of CVEs · score from Nov 11, 2026

Active exploitationNonot in the CISA catalog · checked Nov 12, 03:00 AM

Public exploitNot knownno public code found

News and reports on Orbitaley

Authentication bypass by capture-replay in SQL Server allows an unauthorized attacker to disclose information over a network.

Timeline

Built from our own data: NVD, CISA KEV and other exploitation catalogues, FIRST EPSS, public exploits, specialised media and Orbitaley coverage.

Nov 10, 2026CVE record published in NVD
Nov 10, 2026Alert: Microsoft fixes 200 vulnerabilities, including an Outlook flaw CISA confirms is being exploited

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access80 %
Primary impactT1005 Data from Local Systemcollection70 %
Secondary impactT1550 Use Alternate Authentication Materiallateral movement45 %

Bypass de autenticación por captura y reproducción (CWE-294) explotable por red sin privilegios ni interacción (AV:N/PR:N/UI:N), con divulgación de información confirmada (C:H).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Privileged Account Management Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Account Management Password Policies

Affected technologies (2)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Microsoft — Microsoft.data.sqlclient^AI Microsoft — SQL Server^AI

NVD record

NVD status: Awaiting Analysis
Published: Nov 10, 2026
Last modified: Nov 11, 2026
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-294

References

Referencemsrc.microsoft.com/update-guide/vulnerability/CVE-2026-62903

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-62903",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-62903",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-11-11T01:29:48.134223Z"
        }
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
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        {
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          "versions": [
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  "published": "2026-11-10T19:21:17.087",
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      "source": "secure@microsoft.com"
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  "weaknesses": [
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  ],
  "lastModified": "2026-11-11T02:17:14.623",
  "sourceIdentifier": "secure@microsoft.com"
}