Vulnerability-Lookup

GHSA-QFMC-F7RR-GF93

Vulnerability from github – Published: 2026-04-30 21:30 – Updated: 2026-05-05 03:31

Details

CVE-2026-33451 is an arbitrary read/write vulnerability in the Secure Access Windows client prior to 14.50. Attackers with local control of the Windows client can send malformed data to an API and elevate their level of privilege to system.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.5 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-33451"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-30T21:16:31Z",
    "severity": "HIGH"
  },
  "details": "CVE-2026-33451 is an arbitrary read/write vulnerability in the Secure \nAccess Windows client prior to 14.50. Attackers with local control of \nthe Windows client can send malformed data to an API and elevate their \nlevel of privilege to system.",
  "id": "GHSA-qfmc-f7rr-gf93",
  "modified": "2026-05-05T03:31:40Z",
  "published": "2026-04-30T21:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33451"
    },
    {
      "type": "WEB",
      "url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-33451"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-33451 (GCVE-0-2026-33451)

Vulnerability from cvelistv5 – Published: 2026-04-30 20:08 – Updated: 2026-05-01 14:36

Title

Arbitrary read/write vulnerability in Windows clients prior to 14.50

Summary

Severity

8.5 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE

CWE-125 - Out-of-bounds Read

Assigner

Absolute

References

1 reference

URL	Tags
https://www.absolute.com/platform/security-inform…

Impacted products

1 product

Vendor	Product	Version
Absolute Software	Secure Access	Affected: 0 , < 14.50 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-33451",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-01T14:36:03.654479Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-125",
                "description": "CWE-125 Out-of-bounds Read",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-01T14:36:19.832Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "Windows client"
          ],
          "platforms": [
            "Windows"
          ],
          "product": "Secure Access",
          "vendor": "Absolute Software",
          "versions": [
            {
              "lessThan": "14.50",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
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              "base64": false,
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      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
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        "dateUpdated": "2026-04-30T20:08:03.213Z",
        "orgId": "b6533044-ea05-4482-8458-7bddeca0d079",
        "shortName": "Absolute"
      },
      "references": [
        {
          "url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-33451"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Arbitrary read/write vulnerability in Windows clients prior to 14.50",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
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  },
  "cveMetadata": {
    "assignerOrgId": "b6533044-ea05-4482-8458-7bddeca0d079",
    "assignerShortName": "Absolute",
    "cveId": "CVE-2026-33451",
    "datePublished": "2026-04-30T20:08:03.213Z",
    "dateReserved": "2026-03-19T23:04:05.696Z",
    "dateUpdated": "2026-05-01T14:36:19.832Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-QFMC-F7RR-GF93

CVE-2026-33451 (GCVE-0-2026-33451)

Tags

Sightings

Nomenclature