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01 Record

CVE-2011-1999

Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a "dereferenced memory address," aka "Select

UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a "dereferenced memory address," aka "Select

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
26.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.8% 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
2011-10-12 01:00Z15 YR AGO
Last updated
2024-08-06 22:46Z2 YR AGO
Reserved
2011-05-09
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
d5e1cc4d2e57d23f7e9cea65dc28f893fd6cdea564d3d77ea42f8b481d20fb2c

05 Affected products

VendorProductVersionsPlatforms
microsoftinternet_explorerNot specified—
microsoftwindows_7Not specified—
microsoftwindows_server_2003Not specified—
microsoftwindows_server_2008Not specified—
microsoftwindows_vistaNot specified—
microsoftwindows_xpNot specified—

06 References