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Known exploited vulnerability

CVE-2018-8414

highCVSS 3.1 8.8In CISA KEVEPSS 73%Published · Microsoft

The short answer

CVE-2018-8414 affects Microsoft Windows 10 Servers and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-25: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10.

Weakness: CWE-20.

Severity

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Mar 25, 2022

Federal due date Apr 15, 2022

EPSS, next 30 days

73%

Higher than 99% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

Windows 10 Servers, Windows 10. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2018-8414 being exploited?

Yes. CISA added CVE-2018-8414 to its Known Exploited Vulnerabilities catalog on 2022-03-25, with a federal remediation due date of 2022-04-15.

How do I fix CVE-2018-8414?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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