Cyber Threat Intelligence
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HIGH · CVSS 8.8 CISA Known Exploited Vulnerability

CVE-2015-2425

Microsoft Internet Explorer Memory Corruption Vulnerability

Microsoft Internet Explorer

Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2015-2383 and CVE-2015-2384.

CVSS
8.8
HIGH
EPSS
44.7%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
14 Jul 2015
CWE-787

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 25 May 2022. US federal agencies were required to remediate it by 15 June 2022.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 44.7%, which is higher than 98.7% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

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

Frequently asked questions

Is CVE-2015-2425 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2015-2425.

What does CVE-2015-2425 affect?

CVE-2015-2425 affects Microsoft Internet Explorer. Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2015-2383 and CVE-2015-2384.

How severe is CVE-2015-2425?

CVE-2015-2425 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 44.7%, higher than 98.7% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 15 June 2022.

How should organisations respond to CVE-2015-2425?

Apply the vendor patch for Microsoft Internet Explorer as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.