7.8

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.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.10%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 07-05-2026
    Last 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 version

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 score
0.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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