SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-1873

Microsoft Internet Explorer 7 through 9 does not properly create and initialize string data, which allows remote attackers to obtain sensitive information from process memory via a crafted HTML document, aka "Null Byte Information Disclosure…

MEDIUM 4.3EPSS 18.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft Internet Explorer 7 through 9 does not properly create and initialize string data, which allows remote attackers to obtain sensitive information from process memory via a crafted HTML document, aka "Null Byte Information Disclosure Vulnerability."

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS
18.26% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
microsoft/internet explorer
Source
secure@microsoft.com
EPSS trend
0%10%20%4 November 2026: 18.26%4 November 20264 November 2026

EPSS 18.3% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.