Object Record Corruption Vulnerability in Microsoft Excel Products
CVE-2009-0557

7.8HIGH

Key Information:

Vendor
Microsoft
Status
Open Xml File Format Converter
Office
Office Excel
Office Sharepoint Server
Vendor
CVE Published:
10 June 2009

Badges

👾 Exploit Exists🟣 EPSS 86%🦅 CISA Reported

Summary

A vulnerability in several Microsoft Excel products allows remote attackers to execute arbitrary code through specially crafted Excel files containing a malformed record object. This flaw affects various versions of Excel, including those in Microsoft Office 2000, XP, 2003, and 2007, as well as specific versions for Mac. When such a file is opened, the improper handling of record objects can lead to exploitation, potentially compromising the system. Users are advised to ensure they are running the latest security updates to mitigate this risk.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

References

http://www.vupen.com/english/advisories/2009/1540
vdb-entryx_refsource_VUPEN
https://oval.cisecurity.org/repository/search/definition/...
vdb-entrysignaturex_refsource_OVAL
http://www.securitytracker.com/id?1022351
vdb-entryx_refsource_SECTRACK

EPSS Score

86% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.