CVE-2025-22424: Android Local Privilege Escalation via Image Disclosure

Technical summary

CVE-2025-22424 is a local privilege escalation vulnerability affecting multiple Android locations where improper input validation permits unauthorized image disclosure across user boundaries. The vulnerability is rooted in CWE-20 (Improper Input Validation) and exploitable with low complexity on systems where an attacker already possesses local access. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects high confidentiality, integrity, and availability impact from a low-privilege context without requiring network access or additional execution privileges beyond user-level permissions.

Business impact

This vulnerability poses a direct risk to enterprise Android deployments where sensitive imagery or documents may be stored. A malicious insider or an attacker with local device access could exfiltrate private images—including corporate communications, employee identities, or confidential content—while escalating their privilege level to modify or disrupt system operations. For organizations managing employee-owned or corporate Android devices, this represents both a data loss and compliance exposure, particularly in regulated industries handling personally identifiable information or trade secrets.

Affected systems

Multiple versions of Google Android are affected. Organizations should consult the official Android Security & Privacy Year in Review or vendor advisories to identify the specific Android release versions and patches required. Device manufacturers may have also issued their own security updates for affected models.

Exploitability

Exploitation requires local access to an Android device and user interaction—meaning an attacker cannot remotely trigger the vulnerability over the network. The attack has low complexity once local access is obtained, making it practical for insider threats or physical device compromise scenarios. No additional exploit privileges or special tooling is required beyond standard user permissions.

Remediation

Apply the latest Android security patches released by Google and your device manufacturer as soon as they are available. Patch deployment should be prioritized given the high CVSS score and the ease of exploitation for local attackers. Verify that all affected Android devices in your environment have received the corresponding security update by checking Settings > About Phone > Android Security Patch Level against the advisory timeline.

Patch guidance

Consult Google's official Android Security & Privacy announcements and your device manufacturer's security bulletin for specific patch version numbers and availability dates. Apply patches through standard over-the-air (OTA) updates or through your mobile device management (MDM) platform if available. For enterprise environments, coordinate patch deployment through your MDM solution to ensure comprehensive coverage and verify successful application across all devices.

Detection guidance

Monitor for exploitation attempts by examining access logs for unusual image file access patterns across user profiles or restricted directories on Android devices. Endpoint detection and response (EDR) solutions with Android support may flag privilege escalation attempts. In managed environments, leverage MDM telemetry to identify devices running outdated Android security patch levels. Additionally, review local device logs for suspicious file operations originating from low-privilege processes attempting to access sensitive media storage.

Why prioritize this

The combination of HIGH severity (CVSS 7.8), local privilege escalation capability, and low exploitation complexity warrants urgent attention. While the attack requires local access, the high impact on confidentiality, integrity, and availability—coupled with the potential for lateral movement or data exfiltration—makes this a significant risk for any organization with mobile device deployments. The absence of KEV designation does not diminish urgency; proactive patching is essential before widespread exploit tooling emerges.

Risk score, explained

The CVSS 3.1 score of 7.8 reflects high severity due to the complete compromise of system confidentiality (ability to read restricted images), integrity (modification capability), and availability (denial of service potential) from a local, low-privilege starting point. The low attack complexity and absence of special conditions mean that any local user can reliably exploit this flaw. While the attack vector is local (limiting spontaneous remote exploitation), the unrestricted scope within the affected system and the minimal barriers to exploitation justify the HIGH classification.

Frequently asked questions