CVE-2026-62814CWE-125CWE-191

CVE-2026-62814

Medium · published August 11, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
44.4
In the wild
Unconfirmed
What it is

Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00537 · 44.4th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-08-11T21:18Z
Affected products (10)
ProductVersionsFixed in
microsoft/windows_10_1607< 10.0.14393.941810.0.14393.9418
microsoft/windows_10_1607< 10.0.14393.941810.0.14393.9418
microsoft/windows_10_1809< 10.0.17763.911510.0.17763.9115
microsoft/windows_10_1809< 10.0.17763.911510.0.17763.9115
microsoft/windows_server_2012all versions—
microsoft/windows_server_2012all versions—
microsoft/windows_server_2016< 10.0.14393.941810.0.14393.9418
microsoft/windows_server_2019< 10.0.17763.911510.0.17763.9115
microsoft/windows_server_2022< 10.0.20348.544010.0.20348.5440
microsoft/windows_server_2025< 10.0.26100.3322210.0.26100.33222
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62814 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:06Z
    Windows DHCP Server Information Disclosure Vulnerability
    cvelistv5