Quick answers
- Is CVE-2026-69380 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-69380 being exploited in the wild.
- How severe is CVE-2026-69380?
- High severity, with a CVSS score of 8.1, published 8 September 2026.
- Which products and versions are affected?
- Microsoft Exchange Server.
- Is there a fix for CVE-2026-69380?
- 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-2026-69380 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-69380?
- Check whether you run Microsoft Exchange Server. 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
This vulnerability is a privilege escalation flaw in Microsoft Exchange Server resulting from missing authorization checks. An attacker with valid authentication credentials can exploit a network-reachable component to escalate privileges beyond their intended authorization level. The vulnerability allows an authenticated attacker to perform unauthorized actions without requiring elevated permissions. Microsoft has released security patches to address the missing authorization validation.
Affected products
- Microsoft Exchange Server
Timeline
- 2026-09-08: disclosed