Microsoft Security
Mentions the CVE; no further detail.
CVE-2011-0097 EPSS 31.6%
Integer underflow in Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML…
Summary
The flaw is an integer underflow in Microsoft Excel (in 2002 SP3, 2003 SP3, 2007 SP2, and 2010), along with Office 2004 and 2008 for Mac, the Open XML File Format Converter for Mac, Excel Viewer SP2, and the Office Compatibility Pack SP2, which leads to a stack-based buffer overflow. An attacker who can get a crafted 400h substream into an Excel file can execute arbitrary code remotely.
Official description · CVE.org
Integer underflow in Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via a crafted 400h substream in an Excel file, which triggers a stack-based buffer overflow, aka "Excel Integer Overrun Vulnerability."
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
59.6 / 100
- Exploited
- Yes, in VulnCheck KEV
- Reports
- 1
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 10 years after disclosure.
- Disclosedday 0
- First seen exploitedVulnCheck KEV evidence+10 yrs
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.
What security researchers reported
Named in 1 threat report1 reportMicrosoft
Reports are matched by finding the exact id CVE-2011-0097 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.
Also mentioned in 2 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.