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Critical

Internet Explorer 9 and 10 Memory Corruption Vulnerability

IdentifiersCVE-2015-0019CWE-119

CVE-2015-0019 is a memory corruption vulnerability in Microsoft Internet Explorer 9 and 10. According to the provided content, a remote attacker can trigger the flaw by enticing a user to visit a specially crafted web page. Successful exploitation can result in arbitrary code execution or a denial of service due to memory corruption. The issue is described by Microsoft as an "Internet Explorer Memory Corruption Vulnerability." Specific vulnerable functions or code paths are not provided in the available content.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation may allow remote code execution in the security context of the current user. If the user is running with administrative privileges, the attacker could gain the same level of control over the affected system. The vulnerability may also be used to cause a denial of service through memory corruption.

Mitigation

If you can’t patch tonight, do this now.

The available content indicates that exploitation requires user interaction to visit attacker-controlled content, such as a specially crafted website, compromised site, or malicious advertisement. Reducing user exposure to untrusted web content, operating without administrative privileges, and leveraging Internet Explorer Enhanced Security Configuration on server platforms can reduce risk. However, the bulletin states there were no specific workarounds for the memory corruption vulnerabilities.

Remediation

Patch, then assume compromise.

Apply Microsoft's Internet Explorer security updates that address the February 2015 memory corruption issues, specifically the fixes associated with Security Update 3034682. The provided content also states that for Internet Explorer 9, 10, and 11, both updates 3021952 and 3034196 were required for full protection, with Microsoft noting installation-order requirements when applied manually.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Microsoft CorporationInternet Explorerapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2015-0019
NVD
nvd.nist.gov/vuln/detail/CVE-2015-0019
MITRE CWE · CWE-119
cwe.mitre.org
securityfocus.com
securityfocus.com/bid/72425
securitytracker.com
securitytracker.com/id/1031723
docs.microsoft.com
docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-009