CVE-2011-1277

critical Microsoft
CVSS v3 Base Score
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS Score
50.2%
Exploitation probability in 30 days
Top 2% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
C
Integrity
C
Availability
C
Published: June 16, 2011 (5446 days ago)
Last Modified: April 29, 2026
Vendor: Microsoft
Source: NVD

Description

Microsoft Excel 2002 SP3, Office 2008 for Mac, and Open XML File Format Converter for Mac do not properly validate record information during parsing of Excel spreadsheets, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted spreadsheet, aka "Excel Memory Corruption Vulnerability."

CWE

CWE-119

Affected Products

microsoft excelmicrosoft officemicrosoft open xml file format converter

References

🔗 www.securityfocus.com 🔗 docs.microsoft.com 🔗 oval.cisecurity.org 🔗 www.securityfocus.com 🔗 docs.microsoft.com