What’s Vulnerable › Vulnerabilities

CVE-2011-1986

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-09-15 · updated 2026-06-16
• Weakness: CWE-399

Description

Use-after-free vulnerability in Microsoft Excel 2003 SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Use after Free WriteAV Vulnerability."

Affected products

• Microsoft Excel 2013 Service Pack 1: 2003-sp3

References

• http://www.us-cert.gov/cas/techalerts/TA11-256A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12345
• http://www.us-cert.gov/cas/techalerts/TA11-256A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12345

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