CVE-2026-118011
Frame poisoning in the CSS Parsing and Computation component
- Risk score
- 59/100
- CVSS
- 8.8 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 27 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.8 high
- Remotely exploitable without logging in
References
Original description
Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.
Last activity 27 Oct 2026. Patch Forecast updates every hour.