high Known exploitedREV. 01
CVE-2010-0249Internet Explorer — Operation Aurora use-after-free
Internet Explorer 6 through 8 keeps using an object after it has been deleted, so a crafted web page can run the attacker's code as the person browsing. This was the way in during the Operation Aurora intrusions of late 2009 and early 2010.
Read the risk
THE VITAL STATS- CVSS score
- 8.8/ 10 CVSS v3.1
- EPSS probability
- 92% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2010-01-15
- Added to KEV
- 2026-05-20
- Exploit published
- Yes
- Confidence
- high
- Kill chain
- execution
- MITRE ATT&CK
- T1203
- Severity
- high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attacker needsThe user must open an attacker-controlled web page in Internet Explorer 6, 7 or 8.
Behind the card
5 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02CISACISA Known Exploited Vulnerabilities catalogcisa.gov
- 03Vendor advisoryblogs.technet.comblogs.technet.com
- 04Vendor advisorysupport.microsoft.comsupport.microsoft.com
- 05Vendor advisorymicrosoft.commicrosoft.com
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_at | nvd.nist.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| exploitation.known_exploited, exploitation.kev_added | cisa.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| epss | api.first.org | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisites | nvd.nist.gov | 2026-09-24 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
First printing. This card has not been reprinted since publication.