CVE-2026-7971: google chrome Improper Privilege Management
CVSS: 6.3v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2026-7971CGA-4vx8-r537-v578CGA-8mpg-phgv-fg27
Published 06-05-2026Last modified 06-05-2026
Vulnerability summary
CVE-2026-7971 is a medium (CVSS 6.3) Improper Privilege Management vulnerability in google chrome. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.7% of scored vulnerabilities.
CVSS score
6.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · +0.03 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
- 06-05-2026PublishedVulnerability first disclosed.
- 06-05-2026Last modifiedVulnerability information updated.
Description
Inappropriate implementation in ORB in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:LSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated6.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- NVDNIST6.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
+0.03 pp
From 0.18% on 21-09-2026
21-09-202621-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- chromium< 148.0.7778.96-r0
Debian1 product
- chromium< 148.0.7778.96-1~deb12u1 | < 148.0.7778.96-1~deb13u1 | < 148.0.7778.96-1
Google1 product
- chrome≥ 148.0.7778.96, < 148.0.7778.96 | < 148.0.7778.96
Wolfi1 product
- chromium< 148.0.7778.96-r0
4 vendors · 4 products
References
3 links- chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/497529290Permissions Required