CVE-2025-48543

Exp

In multiple locations, there is a possible way to escape chrome sandbox to attack android system_server due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Published: 2025-09-04 Last update: 2025-10-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-48543 is rated Active Exploitation (78.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.29%). Core evidence: CISA KEV confirms active exploitation (added 2025-09-04) affecting Android / Runtime. a weakness (CWE-416) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2025-48543

Name: Android Runtime Use-After-Free Vulnerability · CISA KEV detail

Exploit added: 2025-09-04

Action due: 2025-09-25

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Exploit prediction scoring system (EPSS) score for CVE-2025-48543

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-31 0.25% 0.29% +0.04%
2 2026-01-29 0.30% 0.25% -0.05%
3 2026-01-28 0.30%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-48543

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.0 6.0 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-48543

Affected software / configurations for CVE-2025-48543

Vendor Product Version Raw CPE
google android 13.0 cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
google android 14.0 cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*
google android 15.0 cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
google android 16.0 cpe:2.3:o:google:android:16.0:*:*:*:*:*:*:*

References for CVE-2025-48543

cvelogic Threat Intelligence