CVE-2026-17721: google chrome Out-of-bounds Write
CVSS: 9.6v3.1CriticalAnalyzed
AliasesDEBIAN-CVE-2026-17721CGA-6vp9-cfpf-qxp7CGA-7pcr-cpqc-v3gpCGA-jg92-gf2j-xvvgCGA-pv9p-86j6-33frCGA-rwwj-v48h-j8c3CGA-xv7f-rvph-37p7
Published 30-07-2026Last modified 30-07-2026
Vulnerability summary
CVE-2026-17721 is a critical (CVSS 9.6) Out-of-bounds Write vulnerability in google chrome. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.5% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)EPSS score
0.44%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 30-07-2026PublishedVulnerability first disclosed.
- 30-07-2026Last modifiedVulnerability information updated.
Description
Out of bounds write in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVDNIST9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
+0.02 pp
From 0.42% on 19-09-2026
19-09-202619-10-2026
EPSS score0.44%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard3 products
- chromium< 151.0.7922.75-r0
- chromium-docker-selenium-compat< 151.0.7922.75-r0
- chromium-lang< 151.0.7922.75-r0
Debian3 products
- chromium< 151.0.7922.71-1~deb12u1 | < 151.0.7922.71-1~deb13u1 | < 151.0.7922.71-1
- webkit2gtkAll versions (No fix recorded) | < 2.54.0-1~deb13u1
- wpewebkitAll versions (No fix recorded) | < 2.54.0-1
Wolfi3 products
- chromium< 151.0.7922.75-r0
- chromium-docker-selenium-compat< 151.0.7922.75-r0
- chromium-lang< 151.0.7922.75-r0
Google1 product
- chrome≥ 151.0.7922.72, < 151.0.7922.72 | < 151.0.7922.72
4 vendors · 10 products
References
3 links- chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/523495723Permissions Required
