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CVE-2018-8329

24
FAUCET Score

CVE-2018-8329 is an Elevation of Privilege vulnerability in the Windows Subsystem for Linux (WSL) that affects Windows 10 and Windows 10 Servers due to improper memory object handling. It carries a CVSSv3 score of 7.8 (HIGH), indicating a local attack vector with low complexity, requiring low privileges, and no user interaction, potentially leading to high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has received some community discussion and media coverage, though it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
1803CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
1803CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 94th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1803 (Server Core Installation)
View patch

Vendor Advisories (1)

microsoft2018-Oct/CVE-2018-8329Important

Linux On Windows Elevation Of Privilege Vulnerability

Oct 9, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8329
PatchVendor Advisory
securityfocus.com / bid/105505
Third Party AdvisoryVDB Entry