HIGH
Use-after-free vulnerability in Microsoft Excel 2003 SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Use after Free WriteAV Vulnerability."
Published Sep 15, 2011
9.3
HIGHCVSS 2.0
EPSS 21.51%
Description
Use-after-free vulnerability in Microsoft Excel 2003 SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Use after Free WriteAV 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.
21.51% 0.21507
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.21507
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 21.51% (0.21507) | 97.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.24% (0.21244) | 97.27th | v5 (v2026.06.15) |
| May 13, 2026 | 59.81% (0.59813) | 98.28th | v4 (v2025.03.14) |
| Mar 17, 2026 | 64.73% (0.64728) | 98.44th | v4 (v2025.03.14) |
| Mar 30, 2025 | 62.37% (0.62366) | 98.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 69.67% (0.69673) | 98.17th | v4 (v2025.03.14) |
| Mar 17, 2025 | 62.37% (0.62366) | 98.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 95.39% (0.95389) | 99.45th | v3 (v2023.03.01) |
| Jun 24, 2024 | 95.21% (0.95213) | 99.35th | v3 (v2023.03.01) |
| May 5, 2024 | 94.48% (0.94483) | 99.20th | v3 (v2023.03.01) |
| Mar 15, 2024 | 93.73% (0.93729) | 99.06th | v3 (v2023.03.01) |
| Jan 22, 2024 | 93.61% (0.93610) | 98.93th | v3 (v2023.03.01) |
| Oct 4, 2023 | 93.06% (0.93056) | 98.73th | v3 (v2023.03.01) |
| Aug 11, 2023 | 92.97% (0.92972) | 98.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 92.61% (0.92614) | 98.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 49.72% (0.49719) | 98.71th | v2 (v2022.01.01) |
| Feb 4, 2022 | 49.72% (0.49719) | 98.28th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://www.us-cert.gov/cas/techalerts/TA11-256A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12345 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/cas/techalerts/TA11-256A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12345 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Sep 15, 2011
Updated Aug 6, 2024
Reserved May 9, 2011
Link CVE-2011-1986
CISA Vulnrichment
Updated n/a