CVE-1999-1016

mediumpriority · track · 33EPSS 0.077 · 95 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

7.70% (95th) EPSS

CVSS 5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Microsoft HTML control as used in (1) Internet Explorer 5.0, (2) FrontPage Express, (3) Outlook Express 5, and (4) Eudora, and possibly others, allows remote malicious web site or HTML emails to cause a denial of service (100% CPU consumption) via large HTML form fields such as text inputs in a table cell.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-19471Microsoft Internet Explorer 5 - HTML Form Control Denial of Servicefunctional · exploit_db

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft frontpageall versionsnvdUScpe:2.3:a:microsoft:frontpage:*:*:*:*:*:*:*:*
microsoft internet explorer= 5.0nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft outlook express= 5.0nvdUScpe:2.3:a:microsoft:outlook_express:*:*:*:*:*:*:*:*
qualcomm eudoraall versionsnvdUScpe:2.3:a:qualcomm:eudora:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 1999-08-27modified 2026-06-16

references (4)

External citations — patches, advisories, analysis.

scry

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