Quick answers
- Is CVE-2026-73025 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-73025 being exploited in the wild.
- How severe is CVE-2026-73025?
- Critical severity, with a CVSS score of 9.8, published 8 September 2026.
- Which products and versions are affected?
- Microsoft Windows <UNKNOWN>.
- Is there a fix for CVE-2026-73025?
- 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-2026-73025 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-73025?
- Check whether you run Microsoft Windows at an affected version. 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 exists in Windows iSCSI's authentication implementation, allowing an attacker to bypass security features through weak authentication mechanisms. The flaw is remotely exploitable over the network without requiring prior authentication or user interaction. An attacker can leverage this to gain unauthorized access to iSCSI targets and connected storage resources. The vulnerability is classified as critical with a CVSS score of 9.8, indicating severe impact. Microsoft has released security updates to address this weakness.
Affected products
- Microsoft Windows <UNKNOWN>
Timeline
- 2026-09-08: disclosed