CVE-2009-2576

Exp

Microsoft Internet Explorer 6.0.2900.2180 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479. NOTE: it was later reported that 7.0.6000.16473 and earlier are also affected.

Published: 2009-07-22 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2576 is rated High Exploit Risk (69/100): CVSS Medium severity, with high exploitation likelihood (EPSS 30.08%, 96th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-2576

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2576

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 29.82% 30.08% +0.27%
2 2025-03-29 30.08% 29.82% -0.27%
3 2025-03-17 — 30.08% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2576

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-2576

Affected software / configurations for CVE-2009-2576

Vendor Product Version Raw CPE
microsoft ie — cpe:2.3:a:microsoft:ie:*:*:mac\+os:*:*:*:*:*
microsoft ie — cpe:2.3:a:microsoft:ie:*:*:mobile:*:*:*:*:*
microsoft ie 2.0 cpe:2.3:a:microsoft:ie:2.0:*:mac\+os:*:*:*:*:*
microsoft ie 2.0_beta cpe:2.3:a:microsoft:ie:2.0_beta:*:mac\+os:*:*:*:*:*
microsoft ie 3.0 cpe:2.3:a:microsoft:ie:3.0:*:mac\+os:*:*:*:*:*
microsoft ie 3.0 cpe:2.3:a:microsoft:ie:3.0:*:mac_os:*:*:*:*:*
microsoft ie 3.0.1 cpe:2.3:a:microsoft:ie:3.0.1:*:windows_95:*:*:*:*:*
microsoft ie 3.01 cpe:2.3:a:microsoft:ie:3.01:*:mac\+os:*:*:*:*:*
microsoft ie 3.1 cpe:2.3:a:microsoft:ie:3.1:*:mac_os:*:*:*:*:*
microsoft ie 4.0 cpe:2.3:a:microsoft:ie:4.0:*:mac\+os:*:*:*:*:*
microsoft ie 4.0 cpe:2.3:a:microsoft:ie:4.0:*:mac_os:*:*:*:*:*
microsoft ie 4.0 cpe:2.3:a:microsoft:ie:4.0:*:windows_98:*:*:*:*:*
microsoft ie 4.0 cpe:2.3:a:microsoft:ie:4.0:*:windows_nt:*:*:*:*:*
microsoft ie 4.0 cpe:2.3:a:microsoft:ie:4.0:a:*:*:*:*:*:*
microsoft ie 4.0.1 cpe:2.3:a:microsoft:ie:4.0.1:*:mac_os:*:*:*:*:*
microsoft ie 4.0.1 cpe:2.3:a:microsoft:ie:4.0.1:*:windows_95:*:*:*:*:*
microsoft ie 4.0.1 cpe:2.3:a:microsoft:ie:4.0.1:*:windows_98:*:*:*:*:*
microsoft ie 4.0.1 cpe:2.3:a:microsoft:ie:4.0.1:*:windows_nt:*:*:*:*:*
microsoft ie 4.0a cpe:2.3:a:microsoft:ie:4.0a:*:mac\+os:*:*:*:*:*
microsoft ie 4.1 cpe:2.3:a:microsoft:ie:4.1:*:windows_95:*:*:*:*:*
microsoft ie 4.1 cpe:2.3:a:microsoft:ie:4.1:*:windows_98:*:*:*:*:*
microsoft ie 4.1 cpe:2.3:a:microsoft:ie:4.1:*:windows_nt_4.0:*:*:*:*:*
microsoft ie 4.5 cpe:2.3:a:microsoft:ie:4.5:*:mac_os:*:*:*:*:*
microsoft ie 4.5 cpe:2.3:a:microsoft:ie:4.5:*:macintosh:*:*:*:*:*
microsoft ie 4.x cpe:2.3:a:microsoft:ie:4.x:*:*:*:*:*:*:*
microsoft ie 5 cpe:2.3:a:microsoft:ie:5:*:windows_nt_4.0:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:*:mac\+os:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:*:macos:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:*:mobile:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:*:windows:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:*:windows_95:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:*:windows_98:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:*:windows_nt_4.0:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:sp1:*:*:*:*:*:*
microsoft ie 5.0 cpe:2.3:a:microsoft:ie:5.0:sp4:*:*:*:*:*:*
microsoft ie 5.0.1 cpe:2.3:a:microsoft:ie:5.0.1:*:windows_2000:*:*:*:*:*
microsoft ie 5.0.1 cpe:2.3:a:microsoft:ie:5.0.1:*:windows_95:*:*:*:*:*
microsoft ie 5.0.1 cpe:2.3:a:microsoft:ie:5.0.1:*:windows_98:*:*:*:*:*
microsoft ie 5.0.1 cpe:2.3:a:microsoft:ie:5.0.1:*:windows_nt_4.0:*:*:*:*:*
microsoft ie 5.0_ta3 cpe:2.3:a:microsoft:ie:5.0_ta3:*:*:*:*:*:*:*
microsoft ie 5.1 cpe:2.3:a:microsoft:ie:5.1:*:mac\+os:*:*:*:*:*
microsoft ie 5.1 cpe:2.3:a:microsoft:ie:5.1:*:mac_os:*:*:*:*:*
microsoft ie 5.01 cpe:2.3:a:microsoft:ie:5.01:*:windows_server_2003:*:*:*:*:*
microsoft ie 5.1.1 cpe:2.3:a:microsoft:ie:5.1.1:*:mac\+os:*:*:*:*:*
microsoft ie 5.1.7 cpe:2.3:a:microsoft:ie:5.1.7:*:mac\+os:*:*:*:*:*
microsoft ie 5.2 cpe:2.3:a:microsoft:ie:5.2:*:mac\+os:*:*:*:*:*
microsoft ie 5.2.3 cpe:2.3:a:microsoft:ie:5.2.3:*:mac\+os:*:*:*:*:*
microsoft ie 5.2.3 cpe:2.3:a:microsoft:ie:5.2.3:*:macintosh:*:*:*:*:*
microsoft ie 5.22 cpe:2.3:a:microsoft:ie:5.22:*:*:*:*:*:*:*
microsoft ie 5.x cpe:2.3:a:microsoft:ie:5.x:*:*:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:*:microsoft_windows_server_2003_sp1:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:*:windows_2000:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:*:windows_server_2003:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:*:windows_xp_professional_64bit:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:sp1:windows_2000:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:sp1:windows_98:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:sp1:windows_98_se:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:sp1:windows_millennium:*:*:*:*:*
microsoft ie 6 cpe:2.3:a:microsoft:ie:6:sp1:windows_xpsp1:*:*:*:*:*
microsoft internet_explorer <= 6.0.2900.2180 cpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft internet_explorer 3.0 cpe:2.3:a:microsoft:internet_explorer:3.0:*:*:*:*:*:*:*
microsoft internet_explorer 3.0.1 cpe:2.3:a:microsoft:internet_explorer:3.0.1:*:*:*:*:*:*:*
microsoft internet_explorer 3.0.2 cpe:2.3:a:microsoft:internet_explorer:3.0.2:*:*:*:*:*:*:*
microsoft internet_explorer 3.1 cpe:2.3:a:microsoft:internet_explorer:3.1:*:*:*:*:*:*:*
microsoft internet_explorer 3.2 cpe:2.3:a:microsoft:internet_explorer:3.2:*:*:*:*:*:*:*
microsoft internet_explorer 4.0 cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:*
microsoft internet_explorer 4.0.1 cpe:2.3:a:microsoft:internet_explorer:4.0.1:*:*:*:*:*:*:*
microsoft internet_explorer 4.0.1 cpe:2.3:a:microsoft:internet_explorer:4.0.1:sp1:*:*:*:*:*:*
microsoft internet_explorer 4.0.1 cpe:2.3:a:microsoft:internet_explorer:4.0.1:sp2:*:*:*:*:*:*
microsoft internet_explorer 4.01 cpe:2.3:a:microsoft:internet_explorer:4.01:*:*:*:*:*:*:*
microsoft internet_explorer 4.1 cpe:2.3:a:microsoft:internet_explorer:4.1:*:*:*:*:*:*:*
microsoft internet_explorer 4.01 cpe:2.3:a:microsoft:internet_explorer:4.01:sp1:*:*:*:*:*:*
microsoft internet_explorer 4.5 cpe:2.3:a:microsoft:internet_explorer:4.5:*:*:*:*:*:*:*
microsoft internet_explorer 4.40.308 cpe:2.3:a:microsoft:internet_explorer:4.40.308:*:*:*:*:*:*:*
microsoft internet_explorer 4.40.520 cpe:2.3:a:microsoft:internet_explorer:4.40.520:*:*:*:*:*:*:*
microsoft internet_explorer 4.70.1155 cpe:2.3:a:microsoft:internet_explorer:4.70.1155:*:*:*:*:*:*:*
microsoft internet_explorer 4.70.1158 cpe:2.3:a:microsoft:internet_explorer:4.70.1158:*:*:*:*:*:*:*
microsoft internet_explorer 4.70.1215 cpe:2.3:a:microsoft:internet_explorer:4.70.1215:*:*:*:*:*:*:*
microsoft internet_explorer 4.70.1300 cpe:2.3:a:microsoft:internet_explorer:4.70.1300:*:*:*:*:*:*:*
microsoft internet_explorer 4.71.1008.3 cpe:2.3:a:microsoft:internet_explorer:4.71.1008.3:*:*:*:*:*:*:*

References for CVE-2009-2576

cvelogic Threat Intelligence