CVE-2024-1305
tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 15.38% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- openvpn/tap-windows6
- Source
- security@openvpn.net
EPSS 15.4% since 3 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
- https://community.openvpn.net/openvpn/wiki/CVE-2024-1305Vendor Advisory
- https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.htmlMailing List, Release Notes
- https://community.openvpn.net/openvpn/wiki/CVE-2024-1305Vendor Advisory
- https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.htmlMailing List, Release Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.