Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010
Published Nov 5, 2010 ·Due Oct 27, 2025
8.1
HIGHCVSS 3.1
EPSS 96.83%
Description
Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010.
Affected products
No data.
Configuration 1
- 6
Running on/with
- n/a
- n/a
- n/a
Configuration 2
- 7
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 3
- 8
Running on/with
- n/a
- n/a
- n/a
- n/a
- r2
- n/a
- n/a
- n/a
- 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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
Date Added
Oct 6, 2025
Patch Due
Oct 27, 2025
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Oct 4, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 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 (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 96.83% (0.96831) | 99.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 96.83% (0.96831) | 99.88th | v5 (v2026.06.15) |
| Apr 22, 2026 | 88.91% (0.88910) | 99.53th | v4 (v2025.03.14) |
| Apr 2, 2026 | 89.94% (0.89943) | 99.57th | v4 (v2025.03.14) |
| Mar 4, 2026 | 88.34% (0.88338) | 99.48th | v4 (v2025.03.14) |
| Dec 28, 2025 | 87.12% (0.87119) | 99.41th | v4 (v2025.03.14) |
| Dec 27, 2025 | 90.34% (0.90339) | 99.58th | v4 (v2025.03.14) |
| Oct 28, 2025 | 86.94% (0.86935) | 99.39th | v4 (v2025.03.14) |
| Oct 27, 2025 | 90.23% (0.90235) | 99.57th | v4 (v2025.03.14) |
| Oct 7, 2025 | 86.94% (0.86935) | 99.40th | v4 (v2025.03.14) |
| Mar 17, 2025 | 90.82% (0.90816) | 99.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 96.95% (0.96952) | 99.78th | v3 (v2023.03.01) |
| Jun 28, 2024 | 96.95% (0.96955) | 99.74th | v3 (v2023.03.01) |
| May 16, 2024 | 97.03% (0.97032) | 99.75th | v3 (v2023.03.01) |
| Apr 2, 2024 | 96.97% (0.96968) | 99.72th | v3 (v2023.03.01) |
| Feb 19, 2024 | 97.00% (0.97005) | 99.72th | v3 (v2023.03.01) |
| Nov 22, 2023 | 96.97% (0.96971) | 99.67th | v3 (v2023.03.01) |
| Oct 4, 2023 | 96.88% (0.96884) | 99.60th | v3 (v2023.03.01) |
| Aug 15, 2023 | 96.73% (0.96728) | 99.49th | v3 (v2023.03.01) |
| Jun 26, 2023 | 96.69% (0.96690) | 99.44th | v3 (v2023.03.01) |
| May 6, 2023 | 96.51% (0.96514) | 99.33th | v3 (v2023.03.01) |
| Mar 14, 2023 | 96.62% (0.96616) | 99.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.66% (0.96655) | 99.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 89.83% (0.89830) | 99.84th | v2 (v2022.01.01) |
| Feb 4, 2022 | 89.83% (0.89830) | 99.81th | v2 (v2022.01.01) |
References (15)
- http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-advisory-2458511.aspx x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/42091 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://www.exploit-db.com/exploits/15418 exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- http://www.exploit-db.com/exploits/15421 exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- http://www.kb.cert.org/vuls/id/899748 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.microsoft.com/technet/security/advisory/2458511.mspx x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/44536 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1024676 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks x_refsource_MISCNot Applicable
- http://www.us-cert.gov/cas/techalerts/TA10-348A.html third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
- http://www.vupen.com/english/advisories/2010/2880 vdb-entryx_refsource_VUPENBroken LinkVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-090 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/62962 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12279 vdb-entrysignaturex_refsource_OVALTool Signature
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3962 government-resourceUS Government Resource
Change history (0)
No recorded changes yet.