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CVE-2000-0266· NVD / CVE Program· CNA mitre

Internet Explorer 5.01 allows remote attackers to bypass the cross frame security policy via a malicious applet that interacts with the Java

Internet Explorer 5.01 allows remote attackers to bypass the cross frame security policy via a malicious applet that interacts with the Java JSObject to modify the DOM properties to set the IFRAME to an arbitrary Javascript URL.

LowCVSS 2.6 · v2.0—No exploit No fix recorded
Published
Apr 18, 2000
Updated
Jun 16, 2026
EPSS
16.2% · 97th percentile
CWE
—
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Report tools

JSON

Action score

15

Monitor

Low priority for now.

CVSS
10 / 40 · 2.6 / 10
CISA KEV
0 / 30 · Not listed
EPSS
5 / 30 · 16.2%

Affected systems

VendorProduct
microsoftinternet explorer

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • microsoft internet explorer5.0
  • microsoft internet explorer5.01

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

  • CVE-2014-1776Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denialKEV
    94Now
  • CVE-2010-0249Use-after-free vulnerability in Microsoft Internet Explorer 6, 6 SP1, 7, and 8 on Windows 2000 SP4; Windows XP SP2 and SP3; Windows Server 2KEV
    93Now
  • CVE-2014-0322Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via vectors involvingKEV
    91Now
  • CVE-2013-3893Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote aKEV
    91Now
  • CVE-2010-3962Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors relateKEV
    91Now
  • CVE-2010-0806Use-after-free vulnerability in the Peer Objects component (aka iepeers.dll) in Microsoft Internet Explorer 6, 6 SP1, and 7 allows remote atKEV
    90Now

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
P · data can be read
Integrity
none
Availability
none
Attack complexity
High
Confidentiality impact
P
Integrity impact
None
Availability impact
None

Weakness class (CWE)

—

CVSS vector

AV:N/AC:H/Au:N/C:P/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records