8.1

CVE-2026-56186

Windows Secure Channel Information Disclosure Vulnerability

Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftWindows 10 1607 HwPlatformx64 Version < 10.0.14393.9339
MicrosoftWindows 10 1607 HwPlatformx86 Version < 10.0.14393.9339
MicrosoftWindows 10 1809 HwPlatformx64 Version < 10.0.17763.9020
MicrosoftWindows 10 1809 HwPlatformx86 Version < 10.0.17763.9020
MicrosoftWindows 10 21h2 Version < 10.0.19044.7548
MicrosoftWindows 10 22h2 Version < 10.0.19045.7548
MicrosoftWindows 11 24h2 Version < 10.0.26100.8875
MicrosoftWindows 11 25h2 Version < 10.0.26200.8875
MicrosoftWindows 11 26h1 Version < 10.0.28000.2525
MicrosoftWindows Server 2016 Version < 10.0.14393.9339
MicrosoftWindows Server 2019 Version < 10.0.17763.9020
MicrosoftWindows Server 2022 Version < 10.0.20348.5386
MicrosoftWindows Server 2025 Version < 10.0.26100.33158
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.06% 0.61
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Microsoft 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56186
Patch
Vendor Advisory