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Vulnerability record · CVE-2026-62817 · published 11 August 2026

CVE-2026-62817: Microsoft windows 10 1809 out-of-bounds write vulnerability

Microsoft · Windows 10 1809

Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.

8.8 CVSS 3.1 High EPSS 0.53% · top 57.2% CWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
1References
2 Sep 2026Last modified by NVD

Description

Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.

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

Affected products

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

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62817 PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-62817), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.