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Vulnerability record · CVE-2026-72989 · published 8 September 2026

CVE-2026-72989: Microsoft windows 10 1809 use of uninitialized resource vulnerability

Microsoft · Windows 10 1809

Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.

7.5 CVSS 3.1 High EPSS 1.0% · top 37.8% CWE-908 · Use of uninitialized resource
7.5CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
1References
21 Sep 2026Last modified by NVD

Description

Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72989 Vendor AdvisoryPatch

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-72989), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.