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CVE-2011-1277

Published: Jun 16, 2011Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
9.3CVSSCRITICAL
EPSS Score
16.1%
Top 3.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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."

CVSS Vector Breakdown

AV:NAC:MAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

n/an/a
excelmicrosoft
Desktop App
Consumer Software / productivity
officemicrosoft
Desktop App
Consumer Software / productivity
open xml file format convertermicrosoft
On-premDesktop App
Operating Systems / windows
microsoftcommercialUSOperating Systems

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.securityfocus.com/bid/48162
securityfocus.com
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12291
oval.cisecurity.org
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045
docs.microsoft.com

Timeline

Published
Jun 16, 2011
Last Updated
Apr 29, 2026

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