CVE-2026-17658: google chrome Use After Free
CVSS: 8.8v3.1HighAnalyzed
AliasesDEBIAN-CVE-2026-17658CGA-3hfh-fwjw-7g25CGA-7972-6xc7-8mrmCGA-9v94-4xpf-646pCGA-f39v-f648-rrgmCGA-g3f2-f48q-r2wxCGA-jh5r-xfqm-6x3m
Published 30-07-2026Last modified 31-07-2026
Vulnerability summary
CVE-2026-17658 is a high (CVSS 8.8) Use After Free vulnerability in google chrome. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.4% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · -0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 30-07-2026PublishedVulnerability first disclosed.
- 31-07-2026Last modifiedVulnerability information updated.
Description
Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
-0.16 pp
From 0.57% on 21-09-2026
21-09-202621-10-2026
EPSS score0.41%
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
Wolfi3 products
- chromium< 151.0.7922.75-r0
- chromium-docker-selenium-compat< 151.0.7922.75-r0
- chromium-lang< 151.0.7922.75-r0
Debian1 product
- chromium< 151.0.7922.71-1~deb12u1 | < 151.0.7922.71-1~deb13u1 | < 151.0.7922.71-1
Google1 product
- chrome≥ 151.0.7922.72, < 151.0.7922.72 | < 151.0.7922.72
4 vendors · 8 products
References
3 links- chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/523030583Permissions Required