How severe is CVE-2015-2424?

CVE-2015-2424 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-2424 being actively exploited?

Yes. CVE-2015-2424 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2015-2424?

CVE-2015-2424 primarily affects Microsoft Excel Viewer. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2424?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2015-2424 have an EU (EUVD) identifier?

Yes. CVE-2015-2424 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2015-2517. It is also flagged as exploited in the EUVD (since 2022-03-03).

When was CVE-2015-2424 published?

CVE-2015-2424 was published on 2015-07-14 and last updated on 2026-06-17.

CVE-2015-2424

CVE-2015-2424 is a high-severity vulnerability in Microsoft Excel Viewer with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-03). The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.3
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-03-03)
EU (EUVD) id: EUVD-2015-2517
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-03)
Weakness: CWE-787
Affected product: Microsoft Excel Viewer
Published: 2015-07-14
Last modified: 2026-06-17

Description

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."

Frequently asked questions

What is CVE-2015-2424?: 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 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-2424 being actively exploited?: Yes. CVE-2015-2424 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2015-2424?: CVE-2015-2424 primarily affects Microsoft Excel Viewer. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2424?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2015-2424 have an EU (EUVD) identifier?: Yes. CVE-2015-2424 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2015-2517. It is also flagged as exploited in the EUVD (since 2022-03-03).
When was CVE-2015-2424 published?: CVE-2015-2424 was published on 2015-07-14 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2011:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office:2013:sp1:*:*:-:*:*:*
cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:powerpoint:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:powerpoint:2010:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:word_viewer:-:*:*:*:*:*:*:*

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