CVE-2012-0158

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03. Known ransomware campaign use: reported by CISA.

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

99.97% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.9% 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

2012-04-10 21:00Z14 YR AGO

Last updated

2025-10-22 00:05Z1 YR AGO

Reserved

2011-12-13

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

5.1

Document digest

b9a3d7cacd73a8779080892038190ec096bac12d6d5c00ff76a8a9cb28c4de3c

• www.securitytracker.com1026902http://www.securitytracker.com/id?1026902vdb-entryx_refsource_SECTRACK
• www.securitytracker.com1026899http://www.securitytracker.com/id?1026899vdb-entryx_refsource_SECTRACK
• www.us-cert.govTA12-101Ahttp://www.us-cert.gov/cas/techalerts/TA12-101A.htmlthird-party-advisoryx_refsource_CERT
• www.securitytracker.com1026904http://www.securitytracker.com/id?1026904vdb-entryx_refsource_SECTRACK
• www.securitytracker.com1026903http://www.securitytracker.com/id?1026903vdb-entryx_refsource_SECTRACK
• www.securitytracker.com1026905http://www.securitytracker.com/id?1026905vdb-entryx_refsource_SECTRACK
• opensources.infohttp://opensources.info/comment-on-the-curious-case-of-a-cve-2012-0158-exploit-by-chris-pierce/x_refsource_MISC
• docs.microsoft.comMS12-027https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-027vendor-advisoryx_refsource_MS
• oval.cisecurity.orgoval:org.mitre.oval:def:15462https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15462vdb-entrysignaturex_refsource_OVAL
• www.securityfocus.com52911http://www.securityfocus.com/bid/52911vdb-entryx_refsource_BID
• exchange.xforce.ibmcloud.comms-activex-control-code-execution(74372)https://exchange.xforce.ibmcloud.com/vulnerabilities/74372vdb-entryx_refsource_XF
• www.securitytracker.com1026900http://www.securitytracker.com/id?1026900vdb-entryx_refsource_SECTRACK
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-0158government-resource