Background exploitation KEV catalog
CVE-2025-48543

Android Runtime Use-After-Free Vulnerability

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…

CheckOps priority index
4.7/10 Patch within 7 days
Severity8.8
Probability0.1
Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 0.63% higher than 50.4% of CVEs
CVSS 3.1 8.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:
Exploited for 425 days 04 Sept 2025
CISA due date 25 Sept 2025 for US federal agencies

Exploitation probability EPSS · FIRST

05010025 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

  • KEV catalog (CISA)04 Sept 2025
  • Exploited in EUVD (ENISA)04 Sept 2025
  • Used by ransomwareno
  • EPSS above 10 %0.63%
  • No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

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

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

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.

Affected products

AndroidRuntime
Affected versions
  • 16
  • 15
  • 14
  • 13

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

  • CVE-2025-48595Android Framework Integer Overflow Vulnerability
    4.6 · Actively exploited
  • CVE-2025-48633Android Framework Information Disclosure Vulnerability
    3.4 · Background exploitation
  • CVE-2025-48572Android Framework Privilege Escalation Vulnerability
    4.3 · Background exploitation
  • CVE-2024-43093Android Framework Privilege Escalation Vulnerability
    4.1 · Background exploitation
  • CVE-2024-36971Android Kernel Remote Code Execution Vulnerability
    4.4 · Background exploitation
  • CVE-2024-32896Android Pixel Privilege Escalation Vulnerability
    5.1 · Background exploitation

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities