CVE-2015-2523 Memory corruption in n/a

What is CVE-2015-2523?

CVE-2015-2523 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 2013 SP1, Excel 2013 RT SP1, 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-2015-2523?

It affects 3 products.

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

How do I fix CVE-2015-2523?

No fix has been published for CVE-2015-2523 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-2015-2523 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-2523 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-wvvg-5wm7-67mv.