CVE-2013-0004
Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly validate the permissions of objects in memory, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly validate the permissions of objects in memory, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP) or (2) a crafted .NET Framework application, aka "Double Construction Vulnerability."
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 21.42% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/.net framework
- Source
- secure@microsoft.com
EPSS 21.4% 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.
References
- http://www.us-cert.gov/cas/techalerts/TA13-008A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-004
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16339
- http://www.us-cert.gov/cas/techalerts/TA13-008A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-004
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16339
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.