CVE-2012-1891

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

29.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI: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

2012-07-10 21:00Z14 YR AGO

Last updated

2024-10-17 18:28Z1 YR AGO

Reserved

2012-03-22

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-908Use of Uninitialized ResourceBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

88ad1841aa7e042300445c083af14789d1b00c454fe74ba26992b384e1905cc7

• www.us-cert.govTA12-192Ahttp://www.us-cert.gov/cas/techalerts/TA12-192A.htmlthird-party-advisoryx_refsource_CERT
• docs.microsoft.comMS12-045https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-045vendor-advisoryx_refsource_MS
• oval.cisecurity.orgoval:org.mitre.oval:def:14783https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14783vdb-entrysignaturex_refsource_OVAL