Quick answers
- Is CVE-2026-96036 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-96036 being exploited in the wild.
- How severe is CVE-2026-96036?
- High severity, with a CVSS score of 7.8, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows Installer.
- Is there a fix for CVE-2026-96036?
- 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-2026-96036 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-96036?
- 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
An integer overflow or wraparound condition in Windows Installer's privilege escalation path allows an authenticated local attacker to bypass security restrictions and execute code with elevated privileges. The vulnerability requires prior local access and authentication but does not require user interaction. Exploitation could lead to complete system compromise.
Affected products
- Microsoft Windows Installer
Timeline
- 2026-11-10: disclosed