CVE-2011-0978

Exp

Stack-based buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via vectors related to an axis properties record, and improper incrementing of an array index, aka "Excel Array Indexing Vulnerability."

Published: 2011-02-10 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0978 is rated High Exploit Risk (81.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 42.56%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2011-0978

EDB-ID Source Kind Published Link
17227 exploit_db edb 2011-04-29 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-0978

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 75.92% 42.56% -33.36%
2 2025-10-28 80.46% 75.92% -4.54%
3 2025-10-20 — 80.46% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0978

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-2011-0978

Affected software / configurations for CVE-2011-0978

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:sp2:*:*:*:*:*:*
microsoft excel_viewer — cpe:2.3:a:microsoft:excel_viewer:-:sp2:*:*:*:*:*:*
microsoft office 2004 cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
microsoft office_compatibility_pack 2007 cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp2:*:*:*:*:*:*

References for CVE-2011-0978

cvelogic Threat Intelligence