SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-2294

WebRTC Heap Buffer Overflow Vulnerability

KEVHIGH 8.8EPSS 70.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
70.83% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 25 August 2022 · due 15 September 2022 · used in ransomware campaigns
Weakness
CWE-787
Affected
google/chrome · fedoraproject/extra packages for enterprise linux · fedoraproject/fedora · webkitgtk/webkitgtk · wpewebkit/wpe webkit · apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/tvos · apple/watchos · webrtc project/webrtc
Source
chrome-cve-admin@google.com
EPSS trend
0%38%75%30 October 2026: 70.83%30 October 202630 October 2026

EPSS 70.8% since 30 October 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.

CISA notes

Apply updates per vendor instructions. https://groups.google.com/g/discuss-webrtc/c/5KBtZx2gvcQ; https://nvd.nist.gov/vuln/detail/CVE-2022-2294

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.