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Medium

Internet Explorer Cross-domain Information Disclosure Vulnerability

IdentifiersCVE-2015-0070CWE-346

CVE-2015-0070 is a cross-domain information disclosure vulnerability in Microsoft Internet Explorer 6 through 11. According to the provided content, the issue is caused by improper enforcement of cross-domain policies, allowing a crafted website to read content from a different domain or security zone. Microsoft addressed the flaw in Security Update 3034682 by ensuring that Internet Explorer enforces cross-domain policies more correctly.

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For your environment

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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 a remote attacker to disclose information that should be isolated by the browser same-origin and zone boundary protections. Specifically, an attacker-controlled website can read content from another domain or from a different Internet Explorer security zone, potentially exposing sensitive web content or data accessible in the victim's browser session.

Mitigation

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

The provided content does not list a specific workaround for CVE-2015-0070. Exposure is reduced on affected Windows Server platforms by Internet Explorer Enhanced Security Configuration, which limits access to specially crafted web content. General risk reduction also depends on preventing users from visiting attacker-controlled webpages.

Remediation

Patch, then assume compromise.

Apply Microsoft Security Update 3034682 for affected Internet Explorer versions. The provided content states that for Internet Explorer 9, 10, and 11, both update 3021952 and update 3034196 are required for full protection. Microsoft also noted installation-order requirements for manual deployment: update 3021952 should be installed before 3034196. On some platforms, installing 3021952 also installs updates 3023607 and 3036197 automatically.
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.