High 8.8Known exploited (CISA KEV)Published Apr 12, 2017

CVE-2017-0210An elevation of privilege vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject i…

Updated under an hour ago (2026-10-19 07:50 UTC)

Does this affect you?

It affects Microsoft Corporation Internet Explorer. Add what you run to find out whether that includes you.

CISA lists it as known exploited since May 24, 2022; federal agencies had to remediate by Jun 14, 2022. Treat that date as your deadline.

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Every CVE for Microsoft Corporation Internet Explorer

Exploited in the last 30 days

An elevation of privilege vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain, aka "Internet Explorer Elevation of Privilege Vulnerability."

CVSS: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Added to CISA KEV May 24, 2022; federal remediation due Jun 14, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 22.33% (percentile 98)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Corporation Internet Explorer microsoft:internet_explorer (from the name)	Internet Explorer 10 and Internet Explorer 11	CNA record
microsoft internet_explorer microsoft:internet_explorer	10; 11	NVD

References

http://www.securityfocus.com/bid/97512vdb-entry, x-refsource-bid, broken-link, third-party-advisory
http://www.securitytracker.com/id/1038238vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0210x-refsource-confirm, patch, vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0210us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.