CVE-2009-1547

highpriority · attend · 60EPSS 0.374 · 99 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

37.4% (99th) EPSS

CVSS 9.3 · high

Is it mine?

11 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Unspecified vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, and 7 allows remote attackers to execute arbitrary code via a crafted data stream header that triggers memory corruption, aka "Data Stream Header Corruption Vulnerability."

cvss

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

9.3

010

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

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-33270Microsoft Internet Explorer 5.0.1 - 'deflate' HTTP Content Encoding Remote Code Executionfunctional · exploit_db
EDB-9893Microsoft Internet Explorer 5/6/7 - Memory Corruption (MS09-054)functional · exploit_db

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft internet explorer= 5.01nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft internet explorer= 6nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft internet explorer= 7nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft internet explorer= 8nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft windows 2000all versionsnvdUScpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
microsoft windows 7all versionsnvdUScpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:*
microsoft windows server 2003all versionsnvdUScpe:2.3:o:microsoft:windows_server_2003:*:*:*:*:*:*:*:*
microsoft windows server 2008all versionsnvdUScpe:2.3:o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*
microsoft windows vistaall versionsnvdUScpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
microsoft windows xpall versionsnvdUScpe:2.3:o:microsoft:windows_xp:*:*:*:*:*:*:*:*

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 2009-10-14modified 2026-06-16

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+10438 more

references (6)

External citations — patches, advisories, analysis.

scry

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