Log in Start free

Actively exploited · Published Jun 10, 2009 · Assigned by microsoft

CVE-2009-0557

High 7.8 Exploited

In plain English

A high-severity code injection in Office from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on June 8, 2022). The chance it is exploited in the next 30 days is estimated at 52.8% (higher than 99% of all known vulnerabilities). Apply updates per vendor instructions.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)52.8%top 1.0% of all CVEs
Exploited in the wildYesCISA KEV since Jun 8, 2022
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Jun 22, 2022.

Official 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 products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-94 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References