CVE-2026-15766: google chrome Use of Uninitialized Variable
CVSS: 6.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-15766DEBIAN-CVE-2026-15766CGA-689p-v64c-42q4CGA-j6wq-wfj3-c7gmCGA-q6f6-v7hf-qcr6CGA-vqgh-p789-cw82CGA-wwqm-8hp7-fgm4CGA-x73j-8fwr-jjvh
Published 14-07-2026Last modified 14-07-2026
Vulnerability summary
CVE-2026-15766 is a medium (CVSS 6.5) Use of Uninitialized Variable vulnerability in google chrome. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.3% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.40%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 14-07-2026PublishedVulnerability first disclosed.
- 14-07-2026Last modifiedVulnerability information updated.
Description
Uninitialized Use in Skia in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.02 pp
From 0.38% on 21-09-2026
21-09-202621-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian4 products
- chromium< 150.0.7871.124-1~deb12u1 | < 150.0.7871.124-1~deb13u1 | < 150.0.7871.124-1
- libskia< 146.20260602~git.3476902+dfsg-4
- webkit2gtkAll versions (No fix recorded) | < 2.54.0-1~deb13u1
- wpewebkitAll versions (No fix recorded) | < 2.54.0-1
Chainguard3 products
- chromium< 150.0.7871.128-r0
- chromium-docker-selenium-compat< 150.0.7871.128-r0
- chromium-lang< 150.0.7871.128-r0
Wolfi3 products
- chromium< 150.0.7871.128-r0
- chromium-docker-selenium-compat< 150.0.7871.128-r0
- chromium-lang< 150.0.7871.128-r0
Google1 product
- chrome≥ 150.0.7871.125, < 150.0.7871.125 | < 150.0.7871.125
Ubuntu1 product
- libskiaAll versions (No fix recorded)
5 vendors · 12 products
References
5 links- chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.htmlREPORTRelease NotesVendor Advisory