CVE-2011-1974
NDISTAPI.sys in the NDISTAPI driver in Remote Access Service (RAS) in Microsoft Windows XP SP2 and SP3 and Windows Server 2003 SP2 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka…
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 7.0%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
NDISTAPI.sys in the NDISTAPI driver in Remote Access Service (RAS) in Microsoft Windows XP SP2 and SP3 and Windows Server 2003 SP2 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "NDISTAPI Elevation of Privilege Vulnerability."
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 6.98% probability · 94th percentile
- Public exploits
- 1 in Exploit-DB · first 24 October 2016
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- microsoft/windows 2003 server · microsoft/windows server 2003 · microsoft/windows xp
- Source
- secure@microsoft.com
EPSS 7.0% since 26 October 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.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/48996
- http://www.us-cert.gov/cas/techalerts/TA11-221A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-062
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12912
- https://www.exploit-db.com/exploits/40627/
- http://www.securityfocus.com/bid/48996
- http://www.us-cert.gov/cas/techalerts/TA11-221A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-062
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12912
- https://www.exploit-db.com/exploits/40627/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.