CVE-2015-2419

HIGHNVD 8.89.0▲Trending — 4 sources updated this weekExploited in the wild

8.8

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 v3: 8.8
EG Score: 9.0(high)
EPSS: 97.8%
KEV: ⚠ Exploited

Published

July 14, 2015

Last Modified

April 22, 2026

Advisory Details (2)

Auto-updated May 2, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2419

generic

Microsoft Security Bulletin MS15-065 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-065

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 21:52 UTCEG score recompute
2026-06-03 21:52 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 17:32 UTCEG score recompute
2026-06-03 17:32 UTCGHSA enrichment
2026-06-03 13:12 UTCEG score recompute
2026-06-03 13:12 UTCGHSA enrichment
2026-06-03 08:50 UTCEG score recompute
2026-06-03 08:50 UTCGHSA enrichment
2026-06-03 04:30 UTCEG score recompute
2026-06-03 04:30 UTCGHSA enrichment
2026-06-03 00:10 UTCEG score recompute
2026-06-03 00:10 UTCGHSA enrichment
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 19:50 UTCEG score recompute
2026-06-02 19:50 UTCGHSA enrichment
2026-06-02 18:32 UTCkev_newly_listed
2026-06-02 15:30 UTCEG score recompute
2026-06-02 15:30 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-44743
First seen Feb 1, 2016
Microsoft Internet Explorer 11 - javascript Code Execution
Open source ↗

Frequently asked(6)

What is CVE-2015-2419?

CVE-2015-2419 is a high vulnerability published on July 14, 2015. 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."

When was CVE-2015-2419 disclosed?

CVE-2015-2419 was first published in the National Vulnerability Database on July 14, 2015, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-2419 actively exploited?

Yes. CISA added CVE-2015-2419 to the Known Exploited Vulnerabilities catalog on March 28, 2022, affecting Microsoft Internet Explorer. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2015-2419?

CVE-2015-2419 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2015-2419?

CVE-2015-2419 affects Microsoft Internet Explorer. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2015-2419?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-2419, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2015-2419

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Is Your Infrastructure Affected by CVE-2015-2419?

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CVE-2015-2419

📅 Published

🔄 Last Modified

📋 Advisory Details (2)