Integer underflow in Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML File Format Converter 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 a crafted 400h substream in an Excel file, which triggers a stack-based buffer overflow, aka "Excel Integer Overrun Vulnerability."
Published Apr 13, 2011
9.3
HIGHCVSS 2.0
EPSS 31.55%
Description
Integer underflow in Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML File Format Converter 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 a crafted 400h substream in an Excel file, which triggers a stack-based buffer overflow, aka "Excel Integer Overrun Vulnerability."
Affected products
No data.
- n/a
- 2002
- 2003
- 2007
- 2010
- n/a
- 2004
- 2008
- 2007
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 31.55% (0.31553) | 98.24th | v5 (v2026.06.15) |
| Aug 24, 2026 | 38.22% (0.38221) | 98.45th | v5 (v2026.06.15) |
| Jul 24, 2026 | 31.55% (0.31553) | 98.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 38.22% (0.38221) | 98.37th | v5 (v2026.06.15) |
| Oct 13, 2025 | 65.45% (0.65448) | 98.39th | v4 (v2025.03.14) |
| Mar 30, 2025 | 63.84% (0.63845) | 98.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 66.37% (0.66372) | 97.96th | v4 (v2025.03.14) |
| Mar 19, 2025 | 63.84% (0.63845) | 98.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 67.27% (0.67270) | 98.44th | v4 (v2025.03.14) |
| Mar 1, 2025 | 93.73% (0.93725) | 99.36th | v3 (v2023.03.01) |
| Dec 17, 2024 | 95.07% (0.95069) | 99.49th | v3 (v2023.03.01) |
| Dec 12, 2024 | 96.28% (0.96284) | 99.61th | v3 (v2023.03.01) |
| Jan 21, 2024 | 96.56% (0.96558) | 99.53th | v3 (v2023.03.01) |
| Dec 2, 2023 | 96.39% (0.96393) | 99.44th | v3 (v2023.03.01) |
| Oct 12, 2023 | 96.32% (0.96316) | 99.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.56% (0.96558) | 99.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 67.16% (0.67160) | 99.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 67.16% (0.67160) | 98.89th | v2 (v2022.01.01) |
References (9)
- http://osvdb.org/71758 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/39122 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/secunia_research/2011-31 x_refsource_MISCVendor Advisory
- http://www.securityfocus.com/bid/47201 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1025337 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2011/0940 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12612 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/71758 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/39122 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/secunia_research/2011-31 | x_refsource_MISCVendor Advisory | |
| http://www.securityfocus.com/bid/47201 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1025337 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA11-102A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2011/0940 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12612 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.