No exploitation reportedFix available

CVE-2010-0258

No exploitation reported by the sources we read.

Published2010-03-10
WeaknessCWE-843

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 do not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet that causes memory to be interpreted as a different object type than intended, aka "Microsoft Office Excel Sheet Object Type Confusion Vulnerability."

Timeline

dates in UTC

2010-03-1022:30CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2010-0258?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2010-0258?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft excel

Branch	Affected	Fixed in	Source
2003.x	= 2003	no fix published	NVD
2002.x	= 2002	no fix published	NVD
2007.x	= 2007	no fix published	NVD

Microsoft office

Branch	Affected	Fixed in	Source
2004.x	= 2004	no fix published	NVD
2008.x	= 2008	no fix published	NVD

Microsoft office compatibility pack

Branch	Affected	Fixed in	Source
2007.x	= 2007	no fix published	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

docs.microsoft.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-843read 2026-10-23
FIRST EPSSEPSS score61.0 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2010-03-10
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2010-0258?

Is CVE-2010-0258 actively exploited?

Active exploitation of CVE-2010-0258 has not been confirmed. Its EPSS score was 61.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2010-0258?

CVE-2010-0258 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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