CVE-2021-30632
KEVHIGH 8.8EPSS 64.5%
Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
- CVSS v3.1
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v3.1
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v2.0
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 64.55% chance of exploitation in the next 30 days, 99th percentile
- CISA KEV
- added 2021-11-03
- Published
- 2021-10-08
- Updated
- 2025-10-21
Proof-of-concept exploits (5)
- CrackerCat/CVE-2021-3063214★ · 2021-12-13
- maldev866/ChExp_CVE-2021-306320★ · 2023-03-21
- paulsery/CVE-2021-306320★ · 2024-01-31
- tianstcht/v8-exploit7★ · 2022-06-10
- yuvaly0/exploits30★ · 2025-07-18