Quick answers
- Is CVE-2026-35436 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-35436 being exploited in the wild.
- How severe is CVE-2026-35436?
- High severity, with a CVSS score of 8.8, published 12 May 2026.
- Which products and versions are affected?
- Microsoft Office Click-to-Run.
- Is there a fix for CVE-2026-35436?
- 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-2026-35436 attacked?
- It is attacked with local access, in a network appliance.
- Am I affected by CVE-2026-35436?
- Check whether you run Microsoft Office Click-to-Run. 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 local privilege escalation vulnerability exists in Microsoft Office Click-to-Run due to insufficient granularity of access control (CWE-1220). An attacker with low-privileged local access can exploit this flaw to gain elevated system permissions. The vulnerability is characterized by a 'Changed Scope' (S:C) in the CVSS vector, indicating that the impact extends beyond the security scope of the Click-to-Run component itself. Successful exploitation allows for complete compromise of confidentiality, integrity, and availability on the affected host. Microsoft has released security updates to address this issue.
Affected products
- Microsoft Office Click-to-Run
Timeline
- 2026-05-12: disclosed
- 2026-05-12: advisory