How severe is CVE-2018-9003?

CVE-2018-9003 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-9003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9003?

CVE-2018-9003 affects Iobit Advanced Systemcare Ultimate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9003?

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-2018-9003 published?

CVE-2018-9003 was published on 2018-03-25 and last updated on 2026-06-17.

CVE-2018-9003

CVE-2018-9003 is a high-severity vulnerability in Iobit Advanced Systemcare Ultimate with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.1
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Iobit Advanced Systemcare Ultimate
Published: 2018-03-25
Last modified: 2026-06-17

Description

In Advanced SystemCare Ultimate 11.0.1.58, the driver file (Monitor_x86.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9c402000.

Frequently asked questions

What is CVE-2018-9003?: In Advanced SystemCare Ultimate 11.0.1.58, the driver file (Monitor_x86.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9c402000.
How severe is CVE-2018-9003?: CVE-2018-9003 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-9003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9003?: CVE-2018-9003 affects Iobit Advanced Systemcare Ultimate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9003?: 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-2018-9003 published?: CVE-2018-9003 was published on 2018-03-25 and last updated on 2026-06-17.

References

https://github.com/D0neMkj/POC_BSOD/tree/master/Advanced%20SystemCare%20Utimate/Monitor_win7_x86.sys-0x9c402000

Affected products (1)

cpe:2.3:a:iobit:advanced_systemcare_ultimate:11.0.1.58:*:*:*:*:*:*:*

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