Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which…
Priority MEDIUM 56CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access an undefined memory location, aka "insertAdjacentText Remote Code Execution Vulnerability."
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.19579 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 21
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* | 7 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* | 8 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·Microsoft
Show 11 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:* | 9 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:* | r2 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:* | r2 | Running on | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* | 6 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:* Versions r2 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:* Versions r2 Running on ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:* Versions all versions Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-1879
- 2026-10-03 Alias added: GHSA-jhrq-83mg-j8c8
References
More Microsoft Internet Explorer vulnerabilities
- TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-01386 Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01340 Scripting Engine Memory Corruption Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
- TI-2017-00204 Out-of-bounds write in Microsoft Internet Explorer KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2012-1879 · CVE Program
- CVE-2012-1879 · NVD
- FIRST EPSS
- GHSA-jhrq-83mg-j8c8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences