Is CVE-2009-1134 in the CISA KEV catalog?

No. CVE-2009-1134 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-1134?

CVE-2009-1134 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2009-1134?

CVE-2009-1134 has an EPSS score of 35.70% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-1134

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

Excel in 2007 Microsoft Office System SP1 and SP2; 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 BIFF file with a malformed Qsir (0x806) record object, aka "Record Pointer Corruption Vulnerability."

CWE-94Code Injection

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

35.70%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.