GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-45208 (GCVE-0-2026-45208)

Vulnerability from cvelistv5 – Published: 2026-05-21 13:04 – Updated: 2026-05-22 03:55
VLAI
Summary
A time-of-check time-of-use vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 00:00 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Impacted products
Vendor Product Version CPE status
Trend Micro, Inc. TrendAI Apex One Affected: 2019 (14.0) , < 14.0.0.17079 (semver)
    cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*
Create a notification for this product.
Trend Micro, Inc. TrendAI Apex One as a Service Affected: SaaS , < 14.0.20731 (semver)
    cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-45208",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-21T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-22T03:55:27.290Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*"
          ],
          "product": "TrendAI Apex One",
          "vendor": "Trend Micro, Inc.",
          "versions": [
            {
              "lessThan": "14.0.0.17079",
              "status": "affected",
              "version": "2019 (14.0)",
              "versionType": "semver"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*"
          ],
          "product": "TrendAI Apex One as a Service",
          "vendor": "Trend Micro, Inc.",
          "versions": [
            {
              "lessThan": "14.0.20731",
              "status": "affected",
              "version": "SaaS",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A time-of-check time-of-use vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations.\n\nPlease note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-367",
              "description": "CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-21T13:04:35.027Z",
        "orgId": "7f7bd7df-cffe-4fdb-ab6d-859363b89272",
        "shortName": "trendmicro"
      },
      "references": [
        {
          "url": "https://success.trendmicro.com/en-US/solution/KA-0023430"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7f7bd7df-cffe-4fdb-ab6d-859363b89272",
    "assignerShortName": "trendmicro",
    "cveId": "CVE-2026-45208",
    "datePublished": "2026-05-21T13:04:35.027Z",
    "dateReserved": "2026-05-11T13:42:24.970Z",
    "dateUpdated": "2026-05-22T03:55:27.290Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-45208",
      "date": "2026-09-16",
      "epss": "0.003",
      "percentile": "0.22681"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-45208\",\"sourceIdentifier\":\"security@trendmicro.com\",\"published\":\"2026-05-21T14:16:48.257\",\"lastModified\":\"2026-07-23T16:10:00.137\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A time-of-check time-of-use vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations.\\n\\nPlease note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de time-of-check time-of-use en el agente de Apex One/SEP podr\u00eda permitir a un atacante local escalar privilegios en instalaciones afectadas.\\n\\nTenga en cuenta: un atacante debe primero obtener la capacidad de ejecutar c\u00f3digo con privilegios bajos en el sistema objetivo para explotar esta vulnerabilidad.\"}],\"affected\":[{\"source\":\"security@trendmicro.com\",\"affectedData\":[{\"vendor\":\"Trend Micro, Inc.\",\"product\":\"TrendAI Apex One\",\"cpes\":[\"cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"2019 (14.0)\",\"lessThan\":\"14.0.0.17079\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Trend Micro, Inc.\",\"product\":\"TrendAI Apex One as a Service\",\"cpes\":[\"cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"SaaS\",\"lessThan\":\"14.0.20731\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@trendmicro.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-05-21T00:00:00+00:00\",\"id\":\"CVE-2026-45208\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security@trendmicro.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-367\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:trendmicro:apex_one:*:*:*:*:on-premises:windows:*:*\",\"versionEndExcluding\":\"14.0.0.17079\",\"matchCriteriaId\":\"6F20657B-98A4-46BE-8481-12060262C850\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:trendmicro:apex_one:*:*:*:*:saas:windows:*:*\",\"versionEndExcluding\":\"14.0.20731\",\"matchCriteriaId\":\"322053CC-D396-412E-9F81-7640FE9DB7BD\"}]}]}],\"references\":[{\"url\":\"https://success.trendmicro.com/en-US/solution/KA-0023430\",\"source\":\"security@trendmicro.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-06-05T19:18:11+00:00",
      "cve": "CVE-2026-45208",
      "id": "CVE-2026-45208",
      "initial_release_date": "2026-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2026-45208",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45208.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-45208\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-21T13:59:17.362286Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-21T13:59:21.276Z\"}}], \"cna\": {\"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*\"], \"vendor\": \"Trend Micro, Inc.\", \"product\": \"TrendAI Apex One\", \"versions\": [{\"status\": \"affected\", \"version\": \"2019 (14.0)\", \"lessThan\": \"14.0.0.17079\", \"versionType\": \"semver\"}]}, {\"cpes\": [\"cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*\"], \"vendor\": \"Trend Micro, Inc.\", \"product\": \"TrendAI Apex One as a Service\", \"versions\": [{\"status\": \"affected\", \"version\": \"SaaS\", \"lessThan\": \"14.0.20731\", \"versionType\": \"semver\"}]}], \"references\": [{\"url\": \"https://success.trendmicro.com/en-US/solution/KA-0023430\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A time-of-check time-of-use vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations.\\n\\nPlease note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"CWE\", \"cweId\": \"CWE-367\", \"description\": \"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition\"}]}], \"providerMetadata\": {\"orgId\": \"7f7bd7df-cffe-4fdb-ab6d-859363b89272\", \"shortName\": \"trendmicro\", \"dateUpdated\": \"2026-05-21T13:04:35.027Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-45208\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-22T03:55:27.290Z\", \"dateReserved\": \"2026-05-11T13:42:24.970Z\", \"assignerOrgId\": \"7f7bd7df-cffe-4fdb-ab6d-859363b89272\", \"datePublished\": \"2026-05-21T13:04:35.027Z\", \"assignerShortName\": \"trendmicro\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…