CVE-2009-0238

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-04-14. Federal remediation due 2026-04-28.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

42.94% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.7% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-16.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2009-02-25 16:00Z17 YR AGO

Last updated

2026-04-15 03:58Z6 MO AGO

Reserved

2009-01-20

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.2

Document digest

69a2d86d4a43da531f5442d2cd4cf1240b5e2baaf4e3e59307da66389f7e5515

• www.microsoft.comhttp://www.microsoft.com/technet/security/advisory/968272.mspxx_refsource_CONFIRM
• www.vupen.comADV-2009-1023http://www.vupen.com/english/advisories/2009/1023vdb-entryx_refsource_VUPEN
• exchange.xforce.ibmcloud.comms-excel-unspecified-code-execution(48875)https://exchange.xforce.ibmcloud.com/vulnerabilities/48875vdb-entryx_refsource_XF
• www.us-cert.govTA09-104Ahttp://www.us-cert.gov/cas/techalerts/TA09-104A.htmlthird-party-advisoryx_refsource_CERT
• www.securityfocus.com33870http://www.securityfocus.com/bid/33870vdb-entryx_refsource_BID
• www.symantec.comhttp://www.symantec.com/business/security_response/writeup.jsp?docid=2009-022310-4202-99x_refsource_MISC
• docs.microsoft.comMS09-009https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009vendor-advisoryx_refsource_MS
• oval.cisecurity.orgoval:org.mitre.oval:def:5968https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5968vdb-entrysignaturex_refsource_OVAL
• isc.sans.orghttp://isc.sans.org/diary.html?storyid=5923x_refsource_MISC
• securitytracker.com1021744http://securitytracker.com/id?1021744vdb-entryx_refsource_SECTRACK
• blogs.zdnet.comhttp://blogs.zdnet.com/security/?p=2658x_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0238government-resource