CVE-2026-7990: google chrome Improper Input Validation
CVSS: 7.8v3.1HighAnalyzed
AliasesDEBIAN-CVE-2026-7990CGA-8hj4-6j88-7wx8CGA-8x5j-x5px-wc2x
Published 06-05-2026Last modified 07-05-2026
Vulnerability summary
CVE-2026-7990 is a high (CVSS 7.8) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.10%
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 2 · Related 3Timeline
- 06-05-2026PublishedVulnerability first disclosed.
- 07-05-2026Last modifiedVulnerability information updated.
Description
Insufficient validation of untrusted input in Updater in Google Chrome on Windows prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.10%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
-0.01 pp
From 0.11% on 21-09-2026
21-09-202621-10-2026
EPSS score0.10%
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