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CVE-2022-0800

28
FAUCET Score

CVE-2022-0800 describes a heap buffer overflow vulnerability in the Cast UI component of Google Chrome, affecting versions prior to 99.0.4844.51. This high-severity flaw (CVSS 8.8) could allow a remote attacker, through user interaction with a specially crafted HTML page, to potentially achieve heap corruption, leading to high impacts on confidentiality, integrity, and availability. While the vulnerability is not listed in CISA's KEV catalog and no public exploit code is available, it has garnered some community discussion and media coverage, including a mention in Microsoft's March 2022 Patch Tuesday summary.

Impacted Technologies

VendorProductVersion(s)CPE
< 99.0.4844.51CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 60th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 99.0.1150.30
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2022-Mar/CVE-2022-0800

Chromium: CVE-2022-0800 Heap buffer overflow in Cast UI

Mar 8, 2022

References

chromereleases.googleblog.com / 2022/03/stable-channel-update-for-desktop.html
Release NotesVendor Advisory
crbug.com / 1242962
Issue TrackingPermissions RequiredVendor Advisory
security.gentoo.org / glsa/202208-25
Third Party Advisory