How severe is CVE-2018-8209?

CVE-2018-8209 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8209?

CVE-2018-8209 primarily affects Microsoft Windows 10. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-8209?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-8209 published?

CVE-2018-8209 was published on 2018-06-14 and last updated on 2026-06-17.

CVE-2018-8209

CVE-2018-8209 is a high-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 2.7
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft Windows 10
Published: 2018-06-14
Last modified: 2026-06-17

Description

An information disclosure vulnerability exists when Windows allows a normal user to access the Wireless LAN profile of an administrative user, aka "Windows Wireless Network Profile Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

Frequently asked questions

What is CVE-2018-8209?: An information disclosure vulnerability exists when Windows allows a normal user to access the Wireless LAN profile of an administrative user, aka "Windows Wireless Network Profile Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
How severe is CVE-2018-8209?: CVE-2018-8209 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8209?: CVE-2018-8209 primarily affects Microsoft Windows 10. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-8209?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-8209 published?: CVE-2018-8209 was published on 2018-06-14 and last updated on 2026-06-17.

References

Affected products (6)

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_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*

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