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01 Record

CVE-2012-4777

The code-optimization feature in the reflection implementation in Microsoft .NET Framework 4 and 4.5 does not properly enforce object permissions, which allows remote attackers to execute arbitrary

UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The code-optimization feature in the reflection implementation in Microsoft .NET Framework 4 and 4.5 does not properly enforce object permissions, which allows remote attackers to execute arbitrary

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
24.75% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.7% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
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.

04 Metadata

Published
2012-11-14 00:00Z13 YR AGO
Last updated
2024-08-06 20:50Z2 YR AGO
Reserved
2012-09-06
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
242d2f0aa813e3ea2703246c165fa1aa540d1922c9a5b7f9bad53d40fb4fe5ef

05 Affected products

VendorProductVersionsPlatforms
microsoft.net_frameworkNot specified—
microsoftwindows_7Not specified—
microsoftwindows_8Not specified—
microsoftwindows_rtNot specified—
microsoftwindows_server_2003Not specified—
microsoftwindows_server_2008Not specified—
microsoftwindows_server_2012Not specified—
microsoftwindows_vistaNot specified—
microsoftwindows_xpNot specified—

06 References