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HIGH · CVSS 8.8 CISA Known Exploited Vulnerability

CVE-2015-2424

Microsoft PowerPoint Memory Corruption Vulnerability

Microsoft PowerPoint

Microsoft PowerPoint 2007 SP3, Word 2007 SP3, PowerPoint 2010 SP2, Word 2010 SP2, PowerPoint 2013 SP1, Word 2013 SP1, and PowerPoint 2013 RT SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

CVSS
8.8
HIGH
EPSS
40.4%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
14 Jul 2015
CWE-787

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 3 March 2022. US federal agencies were required to remediate it by 24 March 2022.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 40.4%, which is higher than 98.6% 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-2015-2424 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2015-2424.

What does CVE-2015-2424 affect?

CVE-2015-2424 affects Microsoft PowerPoint. Microsoft PowerPoint 2007 SP3, Word 2007 SP3, PowerPoint 2010 SP2, Word 2010 SP2, PowerPoint 2013 SP1, Word 2013 SP1, and PowerPoint 2013 RT SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

How severe is CVE-2015-2424?

CVE-2015-2424 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 40.4%, higher than 98.6% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 24 March 2022.

How should organisations respond to CVE-2015-2424?

Apply the vendor patch for Microsoft PowerPoint 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.