How severe is CVE-2018-16711?

CVE-2018-16711 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16711 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-2018-16711?

CVE-2018-16711 affects Iobit Advanced Systemcare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16711?

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-2018-16711 published?

CVE-2018-16711 was published on 2018-09-26 and last updated on 2026-06-17.

CVE-2018-16711

CVE-2018-16711 is a high-severity vulnerability in Iobit Advanced Systemcare with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Iobit Advanced Systemcare
Published: 2018-09-26
Last modified: 2026-06-17

Description

IObit Advanced SystemCare, which includes Monitor_win10_x64.sys or Monitor_win7_x64.sys, 1.2.0.5 (and possibly earlier versions) allows a user to send an IOCTL (0x9C402088) with a buffer containing user defined content. The driver's subroutine will execute a wrmsr instruction with the user's buffer for input.

Frequently asked questions

What is CVE-2018-16711?: IObit Advanced SystemCare, which includes Monitor_win10_x64.sys or Monitor_win7_x64.sys, 1.2.0.5 (and possibly earlier versions) allows a user to send an IOCTL (0x9C402088) with a buffer containing user defined content. The driver's subroutine will execute a wrmsr instruction with the user's buffer for input.
How severe is CVE-2018-16711?: CVE-2018-16711 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16711 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-2018-16711?: CVE-2018-16711 affects Iobit Advanced Systemcare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16711?: 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-2018-16711 published?: CVE-2018-16711 was published on 2018-09-26 and last updated on 2026-06-17.

References

https://downwithup.github.io/CVEPosts.html

Affected products (1)

cpe:2.3:a:iobit:advanced_systemcare:*:*:*:*:*:*:*:*

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