CVE-2026-62757

MediumCVSS 5.9/10Last modified Aug 16, 2026

Description

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-347

Affected software

No affected versions have been published.

Timeline

Published
Aug 11, 2026
Last modified
Aug 16, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-627587.8Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.CVE-2026-627597.5Authentication bypass by spoofing in Windows Netlogon allows an unauthorized attacker to perform spoofing over an adjacent network.CVE-2026-62767.5Using libcurl, when a custom `Host:` header is first set for an HTTP request and a second request is subsequently done using the same *easy CVE-2026-627617.8Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges loCVE-2026-627626.5Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.CVE-2026-627646.5Improper Handling of Insufficient Privileges vulnerability in Apache Accumulo. An authenticated, but low-privileged user without system permCVE-2026-627667.0Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.CVE-2026-627687.8Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.CVE-2026-627696.7Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.CVE-2026-62774.3GitLab has remediated an issue in GitLab EE affecting all versions from 13.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 thCVE-2026-627707.8Heap-based buffer overflow in Windows Shell allows an authorized attacker to elevate privileges locally.CVE-2026-627717.8Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-62757: Medium severity, CVSS 5.9 | Vulnix