CVE-2015-2419

CVE-2015-2419 is a high-severity (CVSS 8.8) vulnerability in Microsoft Internet Explorer. CISA added it to the Known Exploited Vulnerabilities catalog on March 28, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 18, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

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 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

• http://www.securitytracker.com/id/1032894
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-065
• http://www.securitytracker.com/id/1032894
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-065
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2419