CVE-2018-0949

CVE-2018-0949 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 6.5. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

A security feature bypass vulnerability exists when Microsoft Internet Explorer improperly handles requests involving UNC resources, aka "Internet Explorer Security Feature Bypass Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.

Frequently asked questions

What is CVE-2018-0949?
A security feature bypass vulnerability exists when Microsoft Internet Explorer improperly handles requests involving UNC resources, aka "Internet Explorer Security Feature Bypass Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.
How severe is CVE-2018-0949?
CVE-2018-0949 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-0949 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0949?
CVE-2018-0949 primarily affects Microsoft Internet Explorer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0949?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0949 published?
CVE-2018-0949 was published on 2018-07-11 and last updated on 2026-06-17.

References

Affected products (3)

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