Skip to main content
Live Webinar with SANS (June 25)— Agentic CTI Automation for Fun & ProfitRegister Free
Mallory
Critical

Internet Explorer 9 Memory Corruption Vulnerability

IdentifiersCVE-2015-0048CWE-119

CVE-2015-0048 is a memory corruption vulnerability in Microsoft Internet Explorer 9. Microsoft describes it as an Internet Explorer memory corruption issue that can be triggered when a user visits a specially crafted web page. The flaw is caused by improper handling of objects in memory within the browser, and successful exploitation can result in arbitrary code execution or a denial of service. It was addressed as part of Microsoft Security Update 3034682, which modified how Internet Explorer handles objects in memory.

Share:
For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

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 vulnerability may also be used to cause a browser crash or denial of service due to memory corruption.

Mitigation

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

Microsoft indicated there were no specific workarounds for the memory corruption vulnerabilities in this bulletin. General risk reduction includes operating without administrative privileges and limiting exposure to untrusted web content. On Windows Server platforms, Internet Explorer Enhanced Security Configuration reduces exposure to specially crafted web content.

Remediation

Patch, then assume compromise.

Apply Microsoft Security Update 3034682. For Internet Explorer 9, Microsoft stated that both update 3021952 and update 3034196 are required for full protection. When installing manually, update 3021952 should be installed before update 3034196 to avoid degraded page rendering.
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.

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.
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.