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Critical

Internet Explorer Memory Corruption Vulnerability

IdentifiersCVE-2015-0067CWE-119

CVE-2015-0067 is a memory corruption vulnerability in Microsoft Internet Explorer 6 through 9. According to the provided content, the flaw can be triggered when a user visits a specially crafted web page. Microsoft categorized it as an Internet Explorer memory corruption vulnerability and indicated that exploitation could result in arbitrary code execution or denial of service. The issue was addressed as part of Microsoft Security Update 3034682, which broadly modified how Internet Explorer handles objects in memory to correct multiple related flaws.

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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 can allow remote code execution in the security context of the current user. If the user is running with administrative privileges, the attacker may be able to fully compromise the affected system. The provided description also notes denial-of-service impact via memory corruption, so exploitation may alternatively crash Internet Explorer or destabilize the process.

Mitigation

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

The provided content states that Microsoft identified no mitigating factors and no workarounds for the memory corruption vulnerabilities in this bulletin. Operationally, reducing user privileges limits post-exploitation impact, and on Windows Server platforms Internet Explorer Enhanced Security Configuration reduces exposure to malicious web content, but these are not vendor-designated fixes for the vulnerability.

Remediation

Patch, then assume compromise.

Apply Microsoft Security Update 3034682 for the affected Internet Explorer versions. The supporting content states that for Internet Explorer 9, 10, and 11, both update 3021952 and update 3034196 were required for full protection, with Microsoft specifying that 3021952 should be installed before 3034196 when installed manually. Although CVE-2015-0067 is described as affecting Internet Explorer 6 through 9, remediation should follow Microsoft's bulletin guidance for the relevant platform and browser version.
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-2015-0067
NVD
nvd.nist.gov/vuln/detail/CVE-2015-0067
MITRE CWE · CWE-119
cwe.mitre.org
securityfocus.com
securityfocus.com/bid/72423
securitytracker.com
securitytracker.com/id/1031723
docs.microsoft.com
docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-009