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."
Conclusion & alert: CVE-2015-2424 is rated Critical Active Threat (89.7/100): CVSS High severity, with high exploitation likelihood (EPSS 64.48%, 98th percentile). Core evidence: CISA KEV confirms active exploitation (added 2022-03-03) affecting Microsoft / PowerPoint. a weakness (CWE-787) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
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: Microsoft PowerPoint Memory Corruption Vulnerability · CISA KEV detail
: 2022-03-03
: 2022-03-24
: Apply updates per vendor instructions.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-23 | 76.52% | 64.48% | -12.04% |
| 2 | 2026-04-02 | 84.42% | 76.52% | -7.91% |
| 3 | 2026-03-29 | — | 84.42% | — |
Full EPSS history (26 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | excel_viewer | 2007 | cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:* |
| microsoft | office | 2007 | cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:* |
| microsoft | office | 2010 | cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:* |
| microsoft | office | 2011 | cpe:2.3:a:microsoft:office:2011:*:*:*:*:macos:*:* |
| microsoft | office | 2013 | cpe:2.3:a:microsoft:office:2013:sp1:*:*:-:*:*:* |
| microsoft | office | 2013 | cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:* |
| microsoft | office_compatibility_pack | — | cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* |
| microsoft | powerpoint | 2007 | cpe:2.3:a:microsoft:powerpoint:2007:sp3:*:*:*:*:*:* |
| microsoft | powerpoint | 2010 | cpe:2.3:a:microsoft:powerpoint:2010:sp2:*:*:*:*:*:* |
| microsoft | word | 2013 | cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:* |
| microsoft | word_viewer | — | cpe:2.3:a:microsoft:word_viewer:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1032899 | Broken Link Third Party Advisory VDB Entry |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-070 | Patch Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2424 | US Government Resource |