How severe is CVE-2015-0063?

CVE-2015-0063 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2015-0063 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0063?

CVE-2015-0063 primarily affects Microsoft Office Compatibility Pack. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0063?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-0063 published?

CVE-2015-0063 was published on 2015-02-11 and last updated on 2026-06-17.

CVE-2015-0063

CVE-2015-0063 is a critical-severity vulnerability in Microsoft Office Compatibility Pack with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Office Compatibility Pack
Published: 2015-02-11
Last modified: 2026-06-17

Description

Microsoft Excel 2007 SP3; the proofing tools in Office 2010 SP2; Excel 2010 SP2; Excel 2013 Gold, SP1, and RT; Excel Viewer; and Office Compatibility Pack SP3 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Excel Remote Code Execution Vulnerability."

Frequently asked questions

What is CVE-2015-0063?: Microsoft Excel 2007 SP3; the proofing tools in Office 2010 SP2; Excel 2010 SP2; Excel 2013 Gold, SP1, and RT; Excel Viewer; and Office Compatibility Pack SP3 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Excel Remote Code Execution Vulnerability."
How severe is CVE-2015-0063?: CVE-2015-0063 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2015-0063 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0063?: CVE-2015-0063 primarily affects Microsoft Office Compatibility Pack. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0063?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-0063 published?: CVE-2015-0063 was published on 2015-02-11 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel_viewer:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:x64:*
cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:x86:*
cpe:2.3:a:microsoft:excel:2013:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2013:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp2:x64:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp2:x86:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →