CVE-2011-1244

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Microsoft Internet Explorer 6, 7, and 8 does not enforce intended domain restrictions on content access, which allows re

Microsoft Internet Explorer 6, 7, and 8 does not enforce intended domain restrictions on content access, which allows remote attackers to obtain sensitive information or conduct clickjacking attacks via a crafted web site, aka "Frame Tag Information Disclosure Vulnerability.".

MEDIUM · CVSS 5.8 EPSS 0.15136

EPSS exploitation odds15.14% · top 3%

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 4% of all CVEs by exploitation likelihood

Sigma rules2 YARA rules0

Look this up elsewhere - one-click external pivots

NVD CVE.org CISA Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

▸ How to read a CVE - triage first, then detect and patch

This page is every public fact about CVE-2011-1244, cross-linked. Its job is to answer one question fast - does this need my attention now? - and then hand you the two things you do about it. Here is how an analyst reads it.

Triage: should I act now? Four signals, and they are not interchangeable:

CVSSseverity - how bad it is IF exploited, 0-10. A high CVSS alone is not urgency; a flaw can be a perfect 10 and never actually be attacked. EPSSprobability - a model’s estimate of the chance it is exploited in the next 30 days, 0-1. This is the “will it actually happen” signal. CISA KEVconfirmed - it is being exploited in the wild right now. The strongest signal on the page; KEV beats any score. Weaponisedavailability - public exploits / PoCs, and especially Metasploit modules rated Excellent / Great. Reliable, packaged exploit code means low-skill attackers can use it today.

How they combine: KEV, or a dependable Metasploit module, means patch now regardless of CVSS. High CVSS + low EPSS + no exploit is real but not an emergency - schedule it. Low CVSS but KEV-listed still gets patched now. The verdict above already weighed these for you; this is how it got there.

Then what - two workflows:

Detectwhen you cannot patch today, follow this CVE to the ATT&CK techniques it enables, then Build a SIEM detection (the green button) - author a rule, test it in Atomic, deploy it. That buys visibility while the patch waits. PatchAffected products / packages tell you if you are exposed; Fixed versions by distribution and Vendor advisories give the exact version that closes it.

Reading order for the panels below: verdict + badges, then Public exploits / Metasploit (is it weaponised), then ATT&CK techniques + Sigma / IDS rules (can I detect it), then Affected products / packages + Fixed versions (am I exposed, what patches it), then Threat actors / IOCs (who uses it), then Scoring & timeline / references (the evidence).

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Severity & exploitation scoring

CVSS base score

5.8

MEDIUMCVSS v3.1 · [email protected]

EPSS exploitation probability

15.14%

Top 3%odds of exploitation in the next 30 days

CVSS metric silhouette

No structured CVSS vector for this CVE. Older entries often have only a numeric base score - the metric breakdown radar requires a full AV:_/AC:_/... vector string published by NVD.

SSVC triage

No SSVC vulnrichment for this CVE. CISA's Vulnrichment program scores newer CVEs (~2024 onwards) plus selected older critical ones. Use the EPSS probability + KEV status to triage instead.

Lifecycle

13 Apr 2011Published to NVD
16 Jun 2026Last modified

Every entry is a recorded date - NVD publish/modify, CISA KEV add, public exploit disclosure. No inferred events.

Attack path

Full kill chain

→

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ATT&CK techniques

Techniques this CVE enables. Pills with a solid outline are high confidence - named directly in ATT&CK or Nuclei, or human-curated by CTID; the rest are inferred from the weakness type using MITRE's CVE Mapping Methodology and the CWE → CAPEC chain. Broad, generic-weakness guesses are filtered out. A small N× marks a technique that N independent sources agree on.

T1036.004 · Masquerade Task or Service T1056 · Input Capture T1548.004 · Elevated Execution with Prompt

▤ Build a SIEM detection for these techniques

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CAPEC attack patterns

Attack patterns this CVE enables - the bridge from weakness to ATT&CK technique.

CAPEC-CAPEC-103 · Clickjacking CAPEC-CAPEC-181 · Flash File Overlay CAPEC-CAPEC-222 · iFrame Overlay CAPEC-CAPEC-504 · Task Impersonation CAPEC-CAPEC-506 · Tapjacking CAPEC-CAPEC-587 · Cross Frame Scripting (XFS) CAPEC-CAPEC-654 · Credential Prompt Impersonation

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Weakness Classification

CWE-1021Improper Restriction of Rendered UI Layers or Frames

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Affected Products & Versions

microsoft internet explorerall versions

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Related CVEs

CVEs linked to this one by a shared weakness (CWE) or affected product - joins on data already in the engine, with the reason shown per row. Not a guess.

CVE-2005-2407 A design error in Opera 8.01 and earlier allows user-assisted attackers to execu... same CWE-1021 CVE-2008-2716 Unspecified vulnerability in Opera before 9.5 allows remote attackers to spoof t... same CWE-1021 CVE-2013-5614 Mozilla Firefox before 26.0 and SeaMonkey before 2.23 do not properly consider t... same CWE-1021 CVE-2013-6772 Splunk before 5.0.4 lacks X-Frame-Options which can allow Clickjacking same CWE-1021 MEDIUM CVE-2002-2435 The Cascading Style Sheets (CSS) implementation in Microsoft Internet Explorer 8... same product CVE-2003-1505 Microsoft Internet Explorer 6.0 allows remote attackers to cause a denial of ser... 1 same product CVE-2003-1559 Microsoft Internet Explorer 5.22, and other 5 through 6 SP1 versions, sends Refe... same product CVE-2005-4840 The Outlook Express Address Book control, when using Internet Explorer 6, allows... same product

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productmediumInternet Explorer DisableFirstRunCustomize Enabled

productmediumInternet Explorer Autorun Keys Modification

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://osvdb.org/71777

Broken Link

http://www.securityfocus.com/bid/47191

Broken LinkThird Party AdvisoryVDB Entry

http://www.securitytracker.com/id?1025327

Broken LinkThird Party AdvisoryVDB Entry

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-018

PatchVendor Advisory

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11926

Tool Signature