FKIE_CVE-2026-96269

Vulnerability from fkie_nvd - Published: 2026-09-22 21:17 - Updated: 2026-09-24 02:16
Severity
7.5 (High) - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it.
References
cve@mitre.orghttps://debbugs.gnu.org/cgi/bugreport.cgi?bug=80574#227
cve@mitre.orghttps://yhetil.org/emacs/jwvtsph1aoj.fsf-monnier+emacs@gnu.org/T/#m319545e835fb71d764bf868166632d4633167a75
af854a3a-2127-422b-91ae-364da2661108https://eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-execution-returns.html
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2026/08/20/3
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "File editing/viewing"
          ],
          "product": "Emacs",
          "repo": "https://cgit.git.savannah.gnu.org/cgit/emacs.git",
          "vendor": "GNU",
          "versions": [
            {
              "lessThanOrEqual": "31.1",
              "status": "affected",
              "version": "28.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it."
    }
  ],
  "id": "CVE-2026-96269",
  "lastModified": "2026-09-24T02:16:53.383",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "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": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-96269",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-22T20:47:44.364030Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-22T21:17:35.150",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=80574#227"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://yhetil.org/emacs/jwvtsph1aoj.fsf-monnier+emacs@gnu.org/T/#m319545e835fb71d764bf868166632d4633167a75"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-execution-returns.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.openwall.com/lists/oss-security/2026/08/20/3"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-829"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}



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