CVE-2026-10973: google chrome Use of Uninitialized Variable
CVSS: 7.4v3.1HighModified
AliasesDEBIAN-CVE-2026-10973CGA-fpg5-33w5-c443CGA-p33r-7fr3-c524
Published 04-06-2026Last modified 08-06-2026
Vulnerability summary
CVE-2026-10973 is a high (CVSS 7.4) Use of Uninitialized Variable vulnerability in google chrome. EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 61.9% of scored vulnerabilities.
CVSS score
7.4/10
010
High · v3.1 (CVE.org)EPSS score
0.98%
0%100%
Low · 0.00 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
- 04-06-2026PublishedVulnerability first disclosed.
- 08-06-2026Last modifiedVulnerability information updated.
Description
Uninitialized Use in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:NSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated7.4HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
- NVDNIST7.4HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.98%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.98% on 21-09-2026
21-09-202621-10-2026
EPSS score0.98%
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< 149.0.7827.53-1~deb12u1 | < 149.0.7827.53-1~deb13u1 | < 149.0.7827.53-1
Google1 product
- chrome≥ 149.0.7827.53, < 149.0.7827.53 | < 149.0.7827.53
Wolfi1 product
- chromium< 149.0.7827.53-r0
4 vendors · 4 products
References
3 links- issues.chromium.org/issues/513042859Permissions Required