CVE-2026-28866 | Apple iOS/iPadOS/macOS up to 18.7.6/26.3 App information disclosure

VDB-352969 · CVE-2026-28866 · GCVE-0-2026-28866 APPLE IOS/IPADOS/MACOS UP TO 18.7.6/26.3 APP INFORMATION DISCLOSURE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.2 $0-$5k 0.75+ Summaryinfo A vulnerability, which was classified as problematic, has been found in Apple iOS, iPadOS and macOS up to 18.7.6/26.3. Affected by this issue is some unknown functionality of the component App. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2026-28866. The attack can only be executed locally. There is no exploit available. It is advisable to upgrade the affected component. Detailsinfo A vulnerability was found in Apple iOS, iPadOS and macOS up to 18.7.6/26.3. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component App. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is: This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data. The advisory is shared at support.apple.com. This vulnerability is known as CVE-2026-28866 since 03/03/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/25/2026). MITRE ATT&CK project uses the attack technique T1592 for this issue. Upgrading to version 18.7.7 or 26.4 eliminates this vulnerability. Productinfo Type Smartphone Operating System Vendor Apple Name iOS iPadOS macOS Version 18.7.0 18.7.1 18.7.2 18.7.3 18.7.4 18.7.5 18.7.6 26.0 26.1 26.2 26.3 License commercial Website Vendor: https://www.apple.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.3 VulDB Meta Temp Score: 3.2 VulDB Base Score: 3.3 VulDB Temp Score: 3.2 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Information disclosure CWE: CWE-200 / CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: iOS/iPadOS/macOS 18.7.7/26.4 Timelineinfo 03/03/2026 CVE reserved 03/25/2026 +22 days Advisory disclosed 03/25/2026 +0 days VulDB entry created 03/25/2026 +0 days VulDB entry last update Sourcesinfo Vendor: apple.com Advisory: support.apple.com Status: Confirmed CVE: CVE-2026-28866 (🔒) GCVE (CVE): GCVE-0-2026-28866 GCVE (VulDB): GCVE-100-352969 scip Labs: https://www.scip.ch/en/?labs.20180712 Entryinfo Created: 03/25/2026 07:56 Changes: 03/25/2026 07:56 (57) Complete: 🔍 Cache ID: 99:4F5:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸