Quick answers
- Is CVE-2026-96019 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-96019 being exploited in the wild.
- How severe is CVE-2026-96019?
- High severity, with a CVSS score of 7, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows Installer.
- Is there a fix for CVE-2026-96019?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-96019 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-96019?
- Check whether you run Microsoft Windows Installer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A race condition exists in Windows Installer's handling of shared resources due to improper synchronization mechanisms. An authorized local attacker can exploit this concurrent execution vulnerability to achieve privilege escalation. The vulnerability requires existing local access but no user interaction beyond triggering the installer operation.
Affected products
- Microsoft Windows Installer
Timeline
- 2026-11-10: disclosed