In addWindow of WindowManagerService.java, there is a possible window overlay attack due…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In addWindow of WindowManagerService.java, there is a possible window overlay attack due to an insecure default value. This could lead to local escalation of privilege via tapjacking with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-141745510
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Android | Android-8.0 Android-8.1 Android-9 Android-10 | — | No fix listed | CNA |
- Android Vendor— Affected Android-8.0 Android-8.1 Android-9 Android-10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-0099
- 2026-10-03 Alias added: GHSA-hgc7-2xcm-jrxv
References
More Google Android vulnerabilities
- TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
- TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
- TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2020-0099 · CVE Program
- CVE-2020-0099 · NVD
- FIRST EPSS
- GHSA-hgc7-2xcm-jrxv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences