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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-37976

Google Chromium Information Disclosure Vulnerability

KEVMEDIUM 6.5EPSS 19.9%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Inappropriate implementation in Memory in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
19.90% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 3 November 2021 · due 17 November 2021
Weakness
CWE-862
Affected
google/chrome · fedoraproject/fedora · debian/debian linux
Source
chrome-cve-admin@google.com
EPSS trend
0%10%20%30 October 2026: 19.90%30 October 202630 October 2026

EPSS 19.9% 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://nvd.nist.gov/vuln/detail/CVE-2021-37976

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