CVE-2011-1236

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of 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

1.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 65.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. 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

2011-04-13 20:07Z15 YR AGO

Last updated

2025-01-21 17:54Z1 YR AGO

Reserved

2011-03-04

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant
• CWE-399

Data version

5.1

Document digest

7ddede33e887e120dae3044a132bf64b67cc7e0c8b64f9814aa3f1ceace9b743

• www.us-cert.govTA11-102Ahttp://www.us-cert.gov/cas/techalerts/TA11-102A.htmlthird-party-advisoryx_refsource_CERT
• oval.cisecurity.orgoval:org.mitre.oval:def:12478https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12478vdb-entrysignaturex_refsource_OVAL
• www.securityfocus.com47213http://www.securityfocus.com/bid/47213vdb-entryx_refsource_BID
• exchange.xforce.ibmcloud.commswin-win32k-var24-priv-escalation(66418)https://exchange.xforce.ibmcloud.com/vulnerabilities/66418vdb-entryx_refsource_XF
• osvdb.org71751http://osvdb.org/71751vdb-entryx_refsource_OSVDB
• docs.microsoft.comMS11-034https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034vendor-advisoryx_refsource_MS
• www.vupen.comADV-2011-0952http://www.vupen.com/english/advisories/2011/0952vdb-entryx_refsource_VUPEN
• support.avaya.comhttp://support.avaya.com/css/P8/documents/100133352x_refsource_CONFIRM
• secunia.com44156http://secunia.com/advisories/44156third-party-advisoryx_refsource_SECUNIA
• blogs.technet.comhttp://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspxx_refsource_MISC
• www.securitytracker.com1025345http://www.securitytracker.com/id?1025345vdb-entryx_refsource_SECTRACK