CVE-2018-8417
CVE-2018-8417 is a medium-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 4.6
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows 10
- Published:
- Last modified:
Description
A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka "Microsoft JScript Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.
Frequently asked questions
- What is CVE-2018-8417?
- A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka "Microsoft JScript Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.
- How severe is CVE-2018-8417?
- CVE-2018-8417 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2018-8417 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-8417?
- CVE-2018-8417 primarily affects Microsoft Windows 10. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-8417?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-8417 published?
- CVE-2018-8417 was published on 2018-11-14 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/105795
- http://www.securitytracker.com/id/1042120
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8417
Affected products (10)
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
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