CVE-2010-0249 (GCVE-0-2010-0249)
Vulnerability from cvelistv5 – Published: 2010-01-15 17:00 – Updated: 2026-05-21 03:55
VLAI
CISA KEV
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."
Severity
8.8 (High)
CWE
- n/a
Assigner
References
14 references
Date Public
2010-01-14 00:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 675f4f71-05d5-4e5c-a2ad-967f03b58ddc
Exploited: Yes
Timestamps
First Seen: 2026-06-03
Asserted: 2026-06-03
Scope
Notes: KEV entry: Microsoft Internet Explorer Use-After-Free Vulnerability | Affected: Microsoft / Internet Explorer | Description: Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. | 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. | Due date: 2026-06-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/979352 ; https://nvd.nist.gov/vuln/detail/CVE-2010-0249
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-416 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Internet Explorer |
| Due Date | 2026-06-03 |
| Date Added | 2026-06-03 |
| Vendorproject | Microsoft |
| Vulnerabilityname | Microsoft Internet Explorer Use-After-Free Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-05-20 18:00 UTC
| Updated: 2026-05-20 18:00 UTC
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"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/416.htmlhttp://cwe.mitre.org/data/definitions/416.html\n\nCWE-416: Use After Free",
"id": "CVE-2010-0249",
"lastModified": "2024-11-21T01:11:50.750",
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"published": "2010-01-15T17:30:00.533",
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"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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