CVE-2026-85298

Status: Awaiting AnalysisHigh (7.3)—

Severity7.3High · CVSS 4.0

Exploitation probability0.36 %higher than 28% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

An Incorrect Authorization vulnerability in the AuthConfig validation and integration execution runtime in Google Cloud Application Integration versions prior to 2026-08-27 allows an authenticated user to escalate privileges and impersonate a service account in the project.

This vulnerability was patched on 27 August 2026, and no customer action is needed.

CVSS

Base score: 7.3
Version: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.36 %
Percentile among all scored CVEs: 28
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

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

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1078 Valid Accountsstealth · persistence · privilege escalation · initial access70 %

Vector AV:N/PR:L/UI:N (red con privilegios bajos, T1210); la descripción indica que un usuario autenticado escala privilegios y suplanta una cuenta de servicio (T1078).

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 Training User Account Management

Affected technologies (1)

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

Google — Application Integration^AI

CWEs

CWE-863

References

Show 2 references

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-85298",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-85298",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-14T14:03:51.836700Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 7.3,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "CLEAR",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "affectedData": [
        {
          "vendor": "Google Cloud",
          "product": "Application Integration",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2026-08-27",
              "versionType": "date"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-14T12:17:18.320",
  "references": [
    {
      "url": "https://docs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-068",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
    },
    {
      "url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-068",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Incorrect Authorization vulnerability in the AuthConfig validation and integration execution runtime in Google Cloud Application Integration versions prior to 2026-08-27 allows an authenticated user to escalate privileges and impersonate a service account in the project.\n\n\nThis vulnerability was patched on 27 August 2026, and no customer action is needed."
    }
  ],
  "lastModified": "2026-10-16T20:02:37.630",
  "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
}