Quick answers
- Is CVE-2026-70038 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-70038 being exploited in the wild.
- How severe is CVE-2026-70038?
- High severity, with a CVSS score of 8.1, published 13 October 2026.
- Which products and versions are affected?
- Microsoft Windows iSCSI.
- Is there a fix for CVE-2026-70038?
- 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-2026-70038 attacked?
- It is attacked over the network, in an operating system.
- Am I affected by CVE-2026-70038?
- Check whether you run Microsoft Windows iSCSI. 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 use-after-free vulnerability in the Windows iSCSI implementation allows an unauthenticated network attacker to execute arbitrary code. The vulnerability can be triggered remotely over the network without requiring user interaction or prior authentication, making it immediately exploitable.
Affected products
- Microsoft Windows iSCSI
Timeline
- 2026-10-13: disclosed