CVE-2026-9920: google chrome Use of Uninitialized Variable
CVSS: 3.1v3.1LowAnalyzed
AliasesDEBIAN-CVE-2026-9920CGA-5373-x333-r2wxCGA-qx39-67jq-87gm
Published 28-05-2026Last modified 29-05-2026
Vulnerability summary
CVE-2026-9920 is a low (CVSS 3.1) Use of Uninitialized Variable vulnerability in google chrome. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.5% of scored vulnerabilities.
CVSS score
3.1/10
010
Low · v3.1 (CVE.org)EPSS score
0.25%
0%100%
Low · +0.04 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
- 28-05-2026PublishedVulnerability first disclosed.
- 29-05-2026Last modifiedVulnerability information updated.
Description
Uninitialized Use in GPU in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionLow 3.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:NSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
- NVDNIST3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
+0.04 pp
From 0.21% on 21-09-2026
21-09-202621-10-2026
EPSS score0.25%
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< 149.0.7827.53-r0
Debian1 product
- chromium< 148.0.7778.215-1~deb12u1 | < 148.0.7778.215-1~deb13u1 | < 148.0.7778.215-1
Google1 product
- chrome≥ 148.0.7778.216, < 148.0.7778.216 | < 148.0.7778.216
Wolfi1 product
- chromium< 149.0.7827.53-r0
4 vendors · 4 products
References
3 links- issues.chromium.org/issues/500138014Permissions Required