Use-after-free vulnerability in Microsoft Internet Explorer 6, 6 SP1, 7, and 8 on Windows…
Priority CRITICAL 97Exploited in the wildCWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- 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-416 and the CVSS impact.
Summary
Use-after-free vulnerability in Microsoft Internet Explorer 6, 6 SP1, 7, and 8 on Windows 2000 SP4; Windows XP SP2 and SP3; Windows Server 2003 SP2; Windows Vista Gold, SP1, and SP2; Windows Server 2008 Gold, SP2, and R2; and Windows 7 allows remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object, related to incorrectly initialized memory and improper handling of objects in memory, as exploited in the wild in December 2009 and January 2010 during Operation Aurora, aka "HTML Object Memory Corruption Vulnerability."
Why it matters now
Exploitation Active In CISA KEV since 2026-05-20CISA due date 2026-06-03
EPSS 0.91939 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- 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 · 19
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:* | 5.0.1 sp4 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:* | 6 sp1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:6:-:*:*:*:*:*:* | 6 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:itanium:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:* Versions 5.0.1 sp4 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:* Versions 6 sp1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:6:-:*:*:*:*:*:* Versions 6 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:itanium:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Microsoft
Show 9 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:*:*:*:-:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:-:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:-:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* | 8 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* | 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:o:microsoft:windows_server_2008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:*:*:*:-:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:-:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:-:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-05-20 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2010-0249
- 2026-10-03 Alias added: GHSA-x2mp-6fmq-52qw
References
Exploit 1
Advisory 3
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-2010-0249 · CVE Program
- CVE-2010-0249 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-x2mp-6fmq-52qw · 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