CVE-2015-2419JScript 9 in Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "JScript9 Memory Corr…
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Does this affect you?
It affects microsoft internet_explorer. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 28, 2022; federal agencies had to remediate by Apr 18, 2022. Treat that date as your deadline.
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JScript 9 in Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "JScript9 Memory Corruption 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)
- CWE-787
- Known exploited
- Added to CISA KEV Mar 28, 2022; federal remediation due Apr 18, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 53.13% (percentile 99)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft internet_explorer microsoft:internet_explorer | 10; 11 | NVD |
References
- http://www.securitytracker.com/id/1032894vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-065vendor-advisory, x-refsource-ms, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2419us-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.