CVE-2025-48543
HighExploitedPublic exploitIn multiple locations, there is a possible way to escape chrome sandbox to attack android system_server due to a use after free.
Published Sep 4, 2025 · Updated Oct 14, 2026 · Also known as A-421834866, ASB-A-421834866
Key Facts
Patch immediately- CVE-2025-48543 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Android (Google), platform/art (android).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 1, 2025. Public exploit code is available.
- EPSS estimates a 0.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including platform/art 13:2025-09-01, platform/art 14:2025-09-01, platform/art 15:2025-09-01.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
0.6%
Higher than 49.3% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-48543 brief as a PDF
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Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 4, 2025 | Sep 25, 2025 | Not reported |
| Industry KEV feed | Sep 1, 2025 | Sep 25, 2025 | Not reported |
| CIRCL KEV | Sep 4, 2025 | Sep 25, 2025 | Not reported |
| ENISA EUVD | Sep 4, 2025 | n/a | Not reported |
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.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AndroidGoogle | 13.0, 14.0, 15.0, 16.0, >= 16 | n/a |
| platform/artandroid | >= 16-next:0 | 16-next:2025-09-01 |
Patched Releases
platform/art
13:2025-09-01, 14:2025-09-01, 15:2025-09-01, 16-next:2025-09-01, 16:2025-09-01
Timeline
Added to Industry KEV feed
Sep 1, 2025
Publicly disclosed
Sep 4, 2025
Added to CISA KEV
Sep 4, 2025
Added to CIRCL KEV
Sep 4, 2025
Added to ENISA EUVD
Sep 4, 2025
Last updated
Oct 14, 2026
Weakness Type
- CWE-416 Use After Free
References
- advisoryhttps://source.android.com/security/bulletin/2025-09-01
- advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48543
- patchhttps://android.googlesource.com/platform/art/+/3eb64751e5a7e69b06a0979edbdfe9c4d503ea57
- patchhttps://android.googlesource.com/platform/art/+/444fc40dfb04d2ec5f74c443ed3a4dd45d3131f2
- exploitVulnCheck exploitation report
FAQ
Common Questions.
In multiple locations, there is a possible way to escape chrome sandbox to attack android system_server due to a use after free.
Affected: Android (Google) versions 13.0, 14.0, 15.0, 16.0, >= 16; platform/art (android) versions >= 16-next:0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 1, 2025.
Yes. It was added on Sep 4, 2025 with a federal remediation due date of Sep 25, 2025.
Public exploit code is available.
Fixed versions are available, including platform/art 13:2025-09-01, platform/art 14:2025-09-01, platform/art 15:2025-09-01.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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