CVE-2026-68819CWE-126

CVE-2026-68819

Medium · published August 11, 2026

CVSS v3.1
5.9
EPSS
1%
Percentile
62.0
In the wild
Unconfirmed
What it is

Buffer over-read in Windows Network File System allows an unauthorized attacker to deny service over a network.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00983 · 62.0th percentile
Weakness
CWE-126 · Buffer Over-read
Published
2026-08-11T21:19Z
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-2026-68819 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:05Z
    Windows Network File System Denial of Service Vulnerability
    cvelistv5