Security readout for executives and security teams
CVE-2010-0249 is a memory-corruption flaw in legacy Microsoft Internet Explorer that can let an attacker run code if a user visits malicious content. It was exploited during Operation Aurora and is listed in CISA KEV, so any remaining IE 6, 7, or 8 exposure deserves fast removal or remediation. Exposure is most likely in legacy environments still running Internet Explorer 6, 7, or 8 on the Windows versions named in the CVE description. Modern environments are unlikely to be exposed unless old browser stacks or retired systems remain in use. Treat this as urgent only where legacy Internet Explorer remains in production. For modern environments, the priority is confirming absence of exposure and closing any forgotten legacy systems. Mitigation focus: Apply Microsoft MS10-002 or later applicable vendor guidance.; Remove or isolate systems requiring Internet Explorer 6, 7, or 8.; Block legacy browser access to untrusted web content where removal is delayed..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-416: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2010-0249 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- Added to KEVCISA-ADP
CISA Known Exploited Vulnerabilities metadata lists this CVE as known exploited.
- ADP timelineCISA-ADP
CVE-2010-0249 added to CISA KEV
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2026-05-20T00:00:00.000Z: CVE-2010-0249 added to CISA KEV
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:6835CVE reference, microsoft · vdb-entry, signature
- ie-freed-object-code-execution(55642)CVE reference, microsoft · vdb-entry, x_refsource_XF
- MS10-002CVE reference, microsoft · vendor-advisory, x_refsource_MS
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0249CVE reference, CISA-ADP · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.