CVE-2026-9900: google chrome Out-of-bounds Write
CVSS: 8.3v3.1HighAnalyzed
AliasesDEBIAN-CVE-2026-9900CGA-h2p9-w6cf-hpj9CGA-vq8r-59q7-85j2
Published 28-05-2026Last modified 30-05-2026
Vulnerability summary
CVE-2026-9900 is a high (CVSS 8.3) Out-of-bounds Write vulnerability in google chrome. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.4% of scored vulnerabilities.
CVSS score
8.3/10
010
High · v3.1 (CVE.org)EPSS score
0.22%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 28-05-2026PublishedVulnerability first disclosed.
- 30-05-2026Last modifiedVulnerability information updated.
Description
Out of bounds write in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated8.3HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVDNIST8.3HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
+0.01 pp
From 0.21% on 21-09-2026
21-09-202621-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian3 products
- chromium< 148.0.7778.215-1~deb12u1 | < 148.0.7778.215-1~deb13u1 | < 148.0.7778.215-1
- webkit2gtkAll versions (No fix recorded) | < 2.54.0-1~deb13u1
- wpewebkitAll versions (No fix recorded) | < 2.54.0-1
Chainguard1 product
- chromium< 149.0.7827.53-r0
Google1 product
- chrome≥ 148.0.7778.216, < 148.0.7778.216 | < 148.0.7778.216
Wolfi1 product
- chromium< 149.0.7827.53-r0
4 vendors · 6 products
References
3 links- issues.chromium.org/issues/497637277Permissions Required