CVE-2012-1887
Use-after-free vulnerability in Microsoft Excel 2003 SP3, 2007 SP2 and SP3, and 2010 SP1, and Office 2008 and 2011 for Mac, allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel SST Invalid Length Use After Free…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 25.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Use-after-free vulnerability in Microsoft Excel 2003 SP3, 2007 SP2 and SP3, and 2010 SP1, and Office 2008 and 2011 for Mac, allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel SST Invalid Length Use After Free Vulnerability."
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 25.10% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- microsoft/excel · microsoft/office
- Source
- secure@microsoft.com
EPSS 25.1% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/56430
- http://www.securitytracker.com/id?1027752
- http://www.us-cert.gov/cas/techalerts/TA12-318A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-076
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78074
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15717
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15970
- http://www.securityfocus.com/bid/56430
- http://www.securitytracker.com/id?1027752
- http://www.us-cert.gov/cas/techalerts/TA12-318A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-076
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78074
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15717
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15970
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.