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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2020-26950

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

CVSS 8.8 · HighBuzz score 25.6

Buzz score

Why this CVE is surfacing

Buzz score total 25.6

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 16.1 · diversity 9.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
16.1
4 evidence mentions in the snapshot
Diversity score
9.5
4 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
4 source links · newest first
  • Google and Mozilla fixed issues exploited at 2020 Tianfu Cup hacking contestSecurity Affairs

    Mozilla and Google have already fixed the critical flaws in Firefox and Chrome exploited by bug bounty hunters at 2020 Tianfu Cup hacking contest. Mozilla and Google have already addressed the critical Firefox and Chrome vulnerabilities that were recently exploited by white hat hackers at the 2020 Tianfu Cup hacking contest. The vulnerability in Chrome exploited […]

    newssecurityaffairs.comNov 11, 2020, 7:04 PM
  • Vulnerabilities Exploited at Chinese Hacking Contest Patched in Firefox, ChromeSecurityWeek

    Mozilla and Google have already patched the critical Firefox and Chrome vulnerabilities exploited recently by white hat hackers at a competition in China. The Firefox vulnerability, tracked as CVE-2020-26950, has been described as an issue related to write side effects in MCallGetProperty opcode not being accounted for.

    newswww.securityweek.comNov 11, 2020, 1:18 PM
  • November 2020 Patch Tuesday: Microsoft fixes actively exploited Windows Kernel flawHelp Net Security

    On this November 2020 Patch Tuesday: Microsoft has plugged 112 security holes, including an actively exploited one Adobe has delivered security updates for Adobe Reader Mobile and Adobe Connect Intel has dropped a huge stack of security advisories and patches SAP has released 12 security notes and updated three previously released ones Mozilla has fixed a critical vulnerability affecting Firefox, Firefox ESR, and Thunderbird Microsoft’s updates Microsoft plugged 112 CVE-numbered flaws in a variety of … More →

    newswww.helpnetsecurity.comNov 10, 2020, 8:43 PM
  • Mozilla patches critical security issues in Firefox and ThunderbirdMalwarebytes Labs

    Mozilla has issued a critical patch for Firefox, Firefox ESR, and Thunderbird after a security issue was discovered at the Tianfu…

    newswww.malwarebytes.comNov 9, 2020, 5:00 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
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Related records

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