CVE-2012-0143
Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening of files, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Memory Corruption Using Various Modified Bytes…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening of files, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Memory Corruption Using Various Modified Bytes Vulnerability."
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 22.39% 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 22.4% 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://secunia.com/advisories/49112
- http://www.securityfocus.com/bid/53374
- http://www.securitytracker.com/id?1027041
- http://www.us-cert.gov/cas/techalerts/TA12-129A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-030
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064
- http://secunia.com/advisories/49112
- http://www.securityfocus.com/bid/53374
- http://www.securitytracker.com/id?1027041
- http://www.us-cert.gov/cas/techalerts/TA12-129A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-030
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.