CVE-2026-69414 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.8 HIGH	LOCAL	LOW	LOW	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 72.39%

Affected Products (NVD)

Vendor	Product	Version
microsoft	malware_protection_engine	-

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-59 - Improper Link Resolution Before File Access ('Link Following')
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CWE-269 - Improper Privilege Management
The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Vulnerability Media Exposure

[ENGLISH] New SignDrop Zero-Day Exploit Turns Windows CLFS Security Feature Into SYSTEM Access
Public exploit code released earlier this week claims that a local Windows user can gain SYSTEM privileges through the Common Log File System driver. The proof of concept, called SignDrop, targets a log-authentication feature added to the driver last year. It abuses how clfs.sys creates companion files when a privileged process opens a prepared log, using path redirection to take control of
Published: 2026-11-12T23:20:27+05:30

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414

https://github.com/MSNightmare/ShieldBreak