360 Total Security: Protection Mechanism Failure
CVE-2026-12214 is a high-severity protection mechanism failure vulnerability in 360 Total Security from Qihoo, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected 360 Total Security versions: 6.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.12% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of 360 Total Security you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Qihoo | 360 Total Security | 6.0 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (vuldb.com).
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 7.1 | High | CNA (vuldb.com) |
| CVSS 3.1 | 7.8 | High | CNA (vuldb.com) |
| CVSS 2.0 | 6.8 | Medium | CNA (vuldb.com) |
Official description
A security flaw has been discovered in Qihoo 360 Total Security 6.0. This vulnerability affects the function RpcStringBindingComposeW of the component Nucleus Engine Monitoring Logic. Performing a manipulation of the argument NetworkAddr results in protection mechanism failure. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Protection Mechanism Failure
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other references
Recent Protection Mechanism Failure vulnerabilities
- 8.6 High severity
- 10.0 Critical severity
- 8.6 High severity
- 8.7 High severity
- 8.3 High severity
- 8.8 High severity
Spotted an error? Tell us.