CVE-1999-0725

highpriority · attend · 47EPSS 0.249 · 98 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

24.9% (98th) EPSS

CVSS 7.1 · high

Is it mine?

3 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

When IIS is run with a default language of Chinese, Korean, or Japanese, it allows a remote attacker to view the source code of certain files, a.k.a. "Double Byte Code Page".

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.1

v2.07.1highAV:N/AC:M/Au:N/C:C/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 6.9

v2.06.4mediumAV:N/AC:M/Au:N/C:C/I:N/A:N/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-16USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-19361Microsoft IIS 3.0/4.0 - Double Byte Code Pagefunctional · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft internet information server= 3.0nvdUScpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*
microsoft internet information server= 4.0nvdUScpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*

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 1999-08-19modified 2026-06-16

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+341 more

references (8)

External citations — patches, advisories, analysis.

scry

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