CVE-2017-8733
CVE-2017-8733 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.3
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Internet Explorer
- Published:
- Last modified:
Description
Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to trick a user into believing that the user was visiting a legitimate website, due to the way that Internet Explorer handles specific HTML content, aka "Internet Explorer Spoofing Vulnerability".
Frequently asked questions
- What is CVE-2017-8733?
- Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to trick a user into believing that the user was visiting a legitimate website, due to the way that Internet Explorer handles specific HTML content, aka "Internet Explorer Spoofing Vulnerability".
- How severe is CVE-2017-8733?
- CVE-2017-8733 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2017-8733 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-8733?
- CVE-2017-8733 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-2017-8733?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2017-8733 published?
- CVE-2017-8733 was published on 2017-09-13 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/100737
- http://www.securitytracker.com/id/1039328
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8733
Affected products (3)
- cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:*
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