SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-1850

The Remote Administration Protocol (RAP) implementation in the LanmanWorkstation service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not…

MEDIUM 5.0EPSS 27.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 27.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

The Remote Administration Protocol (RAP) implementation in the LanmanWorkstation service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle RAP responses, which allows remote attackers to cause a denial of service (service hang) via crafted RAP packets, aka "Remote Administration Protocol Denial of Service Vulnerability."

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
27.46% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/windows 7 · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows vista · microsoft/windows xp
Source
secure@microsoft.com
EPSS trend
0%15%30%4 November 2026: 27.46%4 November 20264 November 2026

EPSS 27.5% 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.