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HighCISA KEVExploited in the wildPublic exploit

Internet Explorer 8-10 Memory Corruption Vulnerability

IdentifiersCVE-2013-3163CWE-119

CVE-2013-3163 is a memory corruption vulnerability in Microsoft Internet Explorer 8 through 10. According to the provided content, a remote attacker can trigger the flaw by enticing a victim to visit a crafted web site. Successful exploitation can result in arbitrary code execution or a denial of service. Microsoft refers to it as the "Internet Explorer Memory Corruption Vulnerability," and the content notes it is distinct from CVE-2013-3144 and CVE-2013-3151. The specific vulnerable function or code path is not provided in the supplied material.

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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 allows remote code execution in the context of the affected Internet Explorer process, which can enable full compromise of the user session depending on privileges. The vulnerability can also be used to crash the browser, resulting in denial of service due to memory corruption.

Mitigation

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

Until patches are applied, reduce exposure by limiting or disabling use of affected Internet Explorer versions, restricting access to untrusted websites, and using least-privilege accounts to reduce post-exploitation impact. Standard browser hardening and exploit mitigations may reduce reliability of exploitation, but the provided content does not include vendor-specific workaround guidance.

Remediation

Patch, then assume compromise.

Apply the Microsoft security update that addresses CVE-2013-3163 for affected Internet Explorer versions 8, 9, and 10. Upgrade to a supported and fully patched browser version and ensure cumulative Internet Explorer security updates are installed across affected systems.
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 malware2

Malware families riding this exploit, with evidence and IOCs.

Detection signatures1

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.