HIGH
Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening of files, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Memory Corruption Using Various Modified Bytes Vulnerability."
Published May 9, 2012
9.3
HIGHCVSS 2.0
EPSS 22.39%
Description
Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening of files, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Memory Corruption Using Various Modified Bytes Vulnerability."
Affected products
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.
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
22.39% 0.22390
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.22390
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 22.39% (0.22390) | 97.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 22.39% (0.22390) | 97.39th | v5 (v2026.06.15) |
| Dec 20, 2025 | 57.96% (0.57960) | 98.08th | v4 (v2025.03.14) |
| Jul 1, 2025 | 60.56% (0.60557) | 98.19th | v4 (v2025.03.14) |
| Mar 30, 2025 | 71.16% (0.71162) | 98.62th | v4 (v2025.03.14) |
| Mar 29, 2025 | 75.02% (0.75025) | 98.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 71.16% (0.71162) | 98.62th | v4 (v2025.03.14) |
| Dec 17, 2024 | 96.18% (0.96176) | 99.65th | v3 (v2023.03.01) |
| Nov 7, 2024 | 94.24% (0.94237) | 99.27th | v3 (v2023.03.01) |
| May 28, 2024 | 93.21% (0.93214) | 99.06th | v3 (v2023.03.01) |
| Mar 29, 2023 | 93.27% (0.93272) | 98.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 93.23% (0.93227) | 98.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 62.36% (0.62357) | 98.96th | v2 (v2022.01.01) |
| Feb 4, 2022 | 62.36% (0.62357) | 98.71th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://secunia.com/advisories/49112 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/53374 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027041 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA12-129A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-030 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/49112 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/53374 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1027041 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA12-129A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-030 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published May 9, 2012
Updated Aug 6, 2024
Reserved Dec 13, 2011
Link CVE-2012-0143
CISA Vulnrichment
Updated n/a