CVE-2010-0821

Unspecified vulnerability in Microsoft Office Excel 2002 SP3, 2003 SP3, 2007 SP1 and SP2; Office 2004 for mac; Office 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; allows remote attackers to execute arbitrary code via an Excel file with a crafted SxView record, related to improper validation of unspecified structures, aka "Excel Record Parsing Memory Corruption Vulnerability," a different vulnerability than CVE-2010-0824 and CVE-2010-1245.

Published: 2010-06-08 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-0821 is rated High Risk (66.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 24.27%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-0821

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 57.58% 24.27% -33.32%
2 2025-03-30 57.44% 57.58% +0.14%
3 2025-03-29 — 57.44% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0821

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2010-0821

Affected software / configurations for CVE-2010-0821

Vendor Product Version Raw CPE
microsoft excel 2002 cpe:2.3:a:microsoft:excel:2002:sp3:*:*:*:*:*:*
microsoft excel 2003 cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:*
microsoft excel 2007 cpe:2.3:a:microsoft:excel:2007:sp1:*:*:*:*:*:*
microsoft excel 2007 cpe:2.3:a:microsoft:excel:2007:sp2:*:*:*:*:*:*
microsoft office 2004 cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
microsoft office 2008 cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
microsoft open_xml_file_format_converter — cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:*
microsoft office_compatibility_pack 2007 cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp1:*:*:*:*:*:*
microsoft office_compatibility_pack 2007 cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp2:*:*:*:*:*:*
microsoft office_excel_viewer — cpe:2.3:a:microsoft:office_excel_viewer:*:sp1:*:*:*:*:*:*
microsoft office_excel_viewer — cpe:2.3:a:microsoft:office_excel_viewer:*:sp2:*:*:*:*:*:*

References for CVE-2010-0821

cvelogic Threat Intelligence