CVE-2013-1305
HTTP.sys in Microsoft Windows 8, Windows Server 2012, and Windows RT allows remote attackers to cause a denial of service (infinite loop) via a crafted HTTP header, aka "HTTP.sys Denial of Service Vulnerability."
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 54.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
HTTP.sys in Microsoft Windows 8, Windows Server 2012, and Windows RT allows remote attackers to cause a denial of service (infinite loop) via a crafted HTTP header, aka "HTTP.sys Denial of Service Vulnerability."
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 54.66% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- microsoft/windows 8 · microsoft/windows rt · microsoft/windows server 2012
- Source
- secure@microsoft.com
EPSS 54.7% 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.
References
- http://www.us-cert.gov/ncas/alerts/TA13-134AThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-039
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16088
- http://www.us-cert.gov/ncas/alerts/TA13-134AThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-039
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16088
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.