CVEs / CVE-2009-0557
CVE-2009-0557: Microsoft Office Object Record Corruption Vulnerability
- Known exploited in the CISA KEV catalog since 8 Jun 2022
- high 7.8 CVSS 3.1 (NVD)
- EPSS 52.8% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Office contains an object record corruption vulnerability that allows remote attackers to execute code via a crafted Excel file with a malformed record object.
Description
Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Object Record Corruption Vulnerability."
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 8 Jun 2022 |
|---|---|
| Due date for US federal agencies | 22 Jun 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-94 |
References
- CVE-2009-0557 on NVD
- CVE-2009-0557 in the CISA KEV catalog
- http://osvdb.org/54953 Broken Link
- http://www.securityfocus.com/bid/35241 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1022351 Broken Link, Third Party Advisory, VDB Entry
- http://www.us-cert.gov/cas/techalerts/TA09-160A.html Broken Link, Third Party Advisory, US Government Resource
- http://www.vupen.com/english/advisories/2009/1540 Broken Link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021 Patch, Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5564 Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0557 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.