FKIE_CVE-2026-6892

Vulnerability from fkie_nvd - Published: 2026-05-29 00:16 - Updated: 2026-07-21 12:10
Severity
5.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Summary
Improper handling of symbolic links in the installer of CUPS Printer Driver for macOS(*) may allow a local attacker with login privileges to exploit a specially crafted symbolic link during installation to modify permissions of directories for which they would not normally have authorization.  *:Canon PIXUS iX6800 Series CUPS Printer Driver for macOS Version 16.91.0.0 or earlier (Japan) Canon PIXMA MG2500 Series and iX6800 Series CUPS Printer Driver for macOS Version 16.91.0.0 or earlier (US and Europe)
References
f98c90f0-e9bd-4fa7-911b-51993f3571fdhttps://canon.jp/support/support-info/260528-1vulnerability-response
f98c90f0-e9bd-4fa7-911b-51993f3571fdhttps://psirt.canon/advisory-information/cp2026-004/
f98c90f0-e9bd-4fa7-911b-51993f3571fdhttps://www.canon-europe.com/support/product-security/
f98c90f0-e9bd-4fa7-911b-51993f3571fdhttps://www.usa.canon.com/support/canon-product-advisories/CPA2026-004-Vulnerability-Remediation-for-My-Image-Garden-for-macOS-and-CUPS-Printer-Driver-for-macOS
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Canon PIXUS iX6800 Series CUPS Printer Driver for macOS",
          "vendor": "Canon Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "16.91.0.0 or earlier"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PIXMA MG2500 Series CUPS Printer Driver for macOS",
          "vendor": "Canon Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "16.91.0.0 or earlier"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PIXMA iX6800 Series CUPS Printer Driver for macOS",
          "vendor": "Canon Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "16.91.0.0 or earlier"
            }
          ]
        }
      ],
      "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper handling of symbolic links in the installer of CUPS Printer Driver for macOS(*) may allow a local attacker with login privileges to exploit a specially crafted symbolic link during installation to modify permissions of directories for which they would not normally have authorization.\u00a0\n\n*:Canon PIXUS iX6800 Series CUPS Printer Driver for macOS Version 16.91.0.0 or earlier (Japan)\n\nCanon PIXMA MG2500 Series and iX6800 Series CUPS Printer Driver for macOS Version 16.91.0.0 or earlier (US and Europe)"
    },
    {
      "lang": "es",
      "value": "Manejo inadecuado de enlaces simb\u00f3licos en el instalador del controlador de impresora CUPS para macOS(*) puede permitir a un atacante local con privilegios de inicio de sesi\u00f3n explotar un enlace simb\u00f3lico especialmente dise\u00f1ado durante la instalaci\u00f3n para modificar los permisos de directorios para los cuales normalmente no tendr\u00edan autorizaci\u00f3n.\n\n*:Controlador de impresora CUPS Canon PIXUS iX6800 Series para macOS Versi\u00f3n 16.91.0.0 o anterior (Jap\u00f3n)\n\nControlador de impresora CUPS Canon PIXMA MG2500 Series y iX6800 Series para macOS Versi\u00f3n 16.91.0.0 o anterior (EE. UU. y Europa)"
    }
  ],
  "id": "CVE-2026-6892",
  "lastModified": "2026-07-21T12:10:00.090",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.3,
        "impactScore": 3.6,
        "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-6892",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-29T16:44:52.533808Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-29T00:16:16.847",
  "references": [
    {
      "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
      "url": "https://canon.jp/support/support-info/260528-1vulnerability-response"
    },
    {
      "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
      "url": "https://psirt.canon/advisory-information/cp2026-004/"
    },
    {
      "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
      "url": "https://www.canon-europe.com/support/product-security/"
    },
    {
      "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
      "url": "https://www.usa.canon.com/support/canon-product-advisories/CPA2026-004-Vulnerability-Remediation-for-My-Image-Garden-for-macOS-and-CUPS-Printer-Driver-for-macOS"
    }
  ],
  "sourceIdentifier": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ],
      "source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
      "type": "Secondary"
    }
  ]
}



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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

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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.
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  • 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.