CVE-2026-28864 | Apple iOS/iPadOS/macOS/visionOS/watchOS up to 18.7.6/26.3 Keychain Item permission

VDB-352968 · CVE-2026-28864 · GCVE-0-2026-28864 APPLE IOS/IPADOS/MACOS/VISIONOS/WATCHOS UP TO 18.7.6/26.3 KEYCHAIN ITEM PERMISSION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.2 $5k-$25k 0.94+ Summaryinfo A vulnerability classified as critical was found in Apple iOS, iPadOS, macOS, visionOS and watchOS up to 18.7.6/26.3. Affected by this vulnerability is an unknown functionality of the component Keychain Item Handler. The manipulation results in permission. This vulnerability was named CVE-2026-28864. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is advised. Detailsinfo A vulnerability was found in Apple iOS, iPadOS, macOS, visionOS and watchOS up to 18.7.6/26.3. It has been classified as problematic. Affected is an unknown function of the component Keychain Item Handler. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality. CVE summarizes: This issue was addressed with improved permissions checking. 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, visionOS 26.4, watchOS 26.4. A local attacker may gain access to user's Keychain items. The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2026-28864 since 03/03/2026. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/25/2026). The MITRE ATT&CK project declares the attack technique as T1222. Upgrading to version 18.7.7 or 26.4 eliminates this vulnerability. Productinfo Type Smartphone Operating System Vendor Apple Name iOS iPadOS macOS visionOS watchOS 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: Permission CWE: CWE-275 / 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/visionOS/watchOS 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-2026-28864 (🔒) GCVE (CVE): GCVE-0-2026-28864 GCVE (VulDB): GCVE-100-352968 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:DD4:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸