CVE-2026-28873

// PoC Concept for CVE-2026-28873 // This code demonstrates the logic flow of bypassing privacy logging. #include <Foundation/Foundation.h> @interface BypassExploit : NSObject @end @implementation BypassExploit - (void)attemptBypass { // Simulate accessing a sensitive API without triggering the entitlement check NSLog(@"[*] Attempting to access sensitive data without logging..."); // In a real scenario, this would call specific private APIs // that lack the entitlement checks fixed in iOS 18.7.9 / 26.4 BOOL success = [self accessDataPrivately]; if (success) { NSLog(@"[+] Success: Data accessed. Check App Privacy Report - no entry should exist."); } else { NSLog(@"[-] Failed: Entitlement check enforced."); } } - (BOOL)accessDataPrivately { // Placeholder for the exploitation logic return YES; // Assuming vulnerability exists } @end int main(int argc, const char * argv[]) { @autoreleasepool { BypassExploit *exploit = [[BypassExploit alloc] init]; [exploit attemptBypass]; } return 0; }

{"cve": {"id": "CVE-2026-28873", "sourceIdentifier": "[email protected]", "published": "2026-05-11T21:18:52.077", "lastModified": "2026-05-14T14:01:44.163", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "This issue was addressed with additional entitlement checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. An app may be able to circumvent App Privacy Report logging."}], "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-863"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "versionEndExcluding": "18.7.9", "matchCriteriaId": "F3968B76-E6DE-416D-A0FB-E4833FFAAE0F"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.0", "versionEndExcluding": "26.4", "matchCriteriaId": "F201257D-2F7C-43AA-BD51-ED5EC98F99E0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "versionEndExcluding": "18.7.9", "matchCriteriaId": "B6431EAF-B395-4C19-9AB6-A2F45991C897"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.0", "versionEndExcluding": "26.4", "matchCriteriaId": "F7F08C35-7A60-4FEC-8D44-533902F43EDD"}]}]}], "references": [{"url": "https://support.apple.com/en-us/126792", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/127111", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}