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CVE-2018-18331

24
FAUCET Score

CVE-2018-18331 describes a weak file permissions vulnerability in Trend Micro OfficeScan XG on Windows, allowing an attacker to alter files within a specific folder. This vulnerability carries a CVSS v3 score of 7.5 (High), indicating a network-exploitable flaw with low attack complexity that could lead to high integrity impact without user interaction. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there's minimal community discussion or media coverage, the potential for file alteration could enable further exploits. It is not listed on CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
xgCPE matchmatch criteria
cpe:2.3:a:trendmicro:officescan:xg:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.37%
Probability of exploitation in next 30 days
EPSS Percentile
69.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 49th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

success.trendmicro.com / solution/1121674
MitigationPatchVendor Advisory