CVE-2011-1276 EXPLOIT
9.3
HIGH · CVSS 2.0 · EPSS 28.2% (pctl 98)
Patch early
A public exploit exists.
Description
Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Excel spreadsheet, related to improper validation of record information, aka "Excel Buffer Overrun Vulnerability."
Scoring
| CVSS | 9.3 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 28.22% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-06-16 |
| Last modified | 2026-06-16 |
Affected (5)
| Vendor | Product |
|---|---|
| microsoft | excel |
| microsoft | excel viewer |
| microsoft | office |
| microsoft | office compatibility pack |
| microsoft | open xml file format converter |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Excel - SLYK Format Parsing Buffer Overrun (PoC) | 2011-08-09 |
References
- http://osvdb.org/72924
- http://securityreason.com/securityalert/8330
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12451
- http://osvdb.org/72924
- http://securityreason.com/securityalert/8330
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12451
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