CVE-2015-2520 Memory corruption in n/a

What is CVE-2015-2520?

CVE-2015-2520 is a critical memory corruption vulnerability in Microsoft Excel, published on 9 Sep 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel for Mac 2011 and 2016, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2015-2520?

It affects 3 products.

Products include Microsoft Excel, Microsoft Excel Viewer, Microsoft Office Compatibility Pack.

How do I fix CVE-2015-2520?

No fix has been published for CVE-2015-2520 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2015-2520 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-2520 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Microsoft Excel

• CVE-2019-1297 Microsoft Excel Remote Code Execution Exploited High 8.8
• CVE-2009-0238 Microsoft Office Remote Code Execution Exploited High 8.8
• CVE-2016-7262 Microsoft Office Security Feature Bypass Exploited High 7.8
• CVE-2009-3129 Microsoft Excel Featheader Record Memory Corruption Exploited High 7.8
• CVE-2008-0081 Code injection in n/a Critical 9.8

All Microsoft Excel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vfxw-56g6-7rpq.