Security Vulnerability Report
中文
CVE-2026-28976 CVSS 7.5 HIGH

CVE-2026-28976

Published: 2026-05-11 21:18:58
Last Modified: 2026-05-13 14:35:09

Description

An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges.

CVSS Details

CVSS Score
7.5
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Configurations (Affected Products)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* - VULNERABLE
macOS Tahoe < 26.5

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3 # PoC for CVE-2026-28976 (Conceptual) # This script demonstrates the logic of exploiting information leakage to gain root privileges. import os import sys def check_vulnerability(): """ Check if the target macOS version is vulnerable. Vulnerable: macOS Tahoe < 26.5 """ # In a real scenario, this would check the OS version accurately print("[*] Checking macOS version...") return True # Assume vulnerable for demonstration def trigger_leak(): """ Simulate triggering the information leakage vulnerability. This step aims to read sensitive data (e.g., tokens, memory pointers). """ print("[*] Attempting to trigger information leakage via network vector...") leaked_token = "root_access_token_xyz123" return leaked_token def escalate_privileges(token): """ Use the leaked information to gain root privileges. """ if token: print(f"[+] Leaked token acquired: {token}") print("[*] Attempting to use token to escalate privileges to root...") # Conceptual execution of root command # os.system("sudo -S /bin/bash") print("[!] Root privileges gained successfully.") else: print("[-] Failed to leak necessary information.") def main(): if check_vulnerability(): print("[+] System is vulnerable to CVE-2026-28976") sensitive_data = trigger_leak() escalate_privileges(sensitive_data) else: print("[-] System is not vulnerable.") if __name__ == "__main__": main()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-28976", "sourceIdentifier": "[email protected]", "published": "2026-05-11T21:18:58.117", "lastModified": "2026-05-13T14:35:08.763", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-269"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.0", "versionEndExcluding": "26.5", "matchCriteriaId": "6CB91417-90A8-4A9B-A1D0-1D94B80EF837"}]}]}], "references": [{"url": "https://support.apple.com/en-us/127115", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}