Quick answers
- Is CVE-2026-72943 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-72943 being exploited in the wild.
- How severe is CVE-2026-72943?
- High severity, with a CVSS score of 7.5, published 8 September 2026.
- Which products and versions are affected?
- Microsoft Windows Deployment Services.
- Is there a fix for CVE-2026-72943?
- 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-2026-72943 attacked?
- It is attacked over the network, in an operating system.
- Am I affected by CVE-2026-72943?
- Check whether you run Microsoft Windows Deployment Services. 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
The vulnerability is a use-after-free flaw in Windows Deployment Services that allows remote code execution. The attack requires network access and some level of authorization to the service. An authenticated attacker can exploit this memory safety issue to execute arbitrary code with the privileges of the Deployment Services process, potentially enabling lateral movement or further system compromise. A patch is available through Microsoft security updates.
Affected products
- Microsoft Windows Deployment Services
Timeline
- 2026-09-08: disclosed