CVE-2017-0059
CVE-2017-0059 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 4.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-28).
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.3
- EPSS exploit prediction: 62% (99th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-03-28)
- EU (EUVD) id: EUVD-2017-0426
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-28)
- Affected product: Microsoft Internet Explorer
- Published:
- Last modified:
Description
Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability." This vulnerability is different from those described in CVE-2017-0008 and CVE-2017-0009.
Frequently asked questions
- What is CVE-2017-0059?
- Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability." This vulnerability is different from those described in CVE-2017-0008 and CVE-2017-0009.
- How severe is CVE-2017-0059?
- CVE-2017-0059 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 low, integrity none, and availability none.
- Is CVE-2017-0059 being actively exploited?
- Yes. CVE-2017-0059 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2017-0059?
- CVE-2017-0059 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-2017-0059?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2017-0059 have an EU (EUVD) identifier?
- Yes. CVE-2017-0059 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-0426. It is also flagged as exploited in the EUVD (since 2022-03-28).
- When was CVE-2017-0059 published?
- CVE-2017-0059 was published on 2017-03-17 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/96645
- http://www.securitytracker.com/id/1038008
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0059
- https://www.exploit-db.com/exploits/41661/
- https://www.exploit-db.com/exploits/42354/
- https://www.exploit-db.com/exploits/43125/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0059
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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