CVE-2026-11090: google chrome Use of Uninitialized Variable
CVSS: 6.5v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2026-11090CGA-hx3q-296g-2mvrCGA-p89m-29v9-7v94
Published 04-06-2026Last modified 05-06-2026
Vulnerability summary
CVE-2026-11090 is a medium (CVSS 6.5) Use of Uninitialized Variable vulnerability in google chrome. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.6% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.27%
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 5 · Related 4Timeline
- 04-06-2026PublishedVulnerability first disclosed.
- 05-06-2026Last modifiedVulnerability information updated.
Description
Uninitialized Use in ANGLE 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: Medium)
CVSS metrics
3 scores · 3 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 3 agree
- 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
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
+0.02 pp
From 0.25% on 19-09-2026
19-09-202619-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-457Use of Uninitialized VariableThe code uses a variable that has not been initialized, leading to unpredictable or unintended results.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian3 products
- chromium< 149.0.7827.53-1~deb12u1 | < 149.0.7827.53-1~deb13u1 | < 149.0.7827.53-1
- webkit2gtkAll versions (No fix recorded) | < 2.54.0-1~deb13u1
- wpewebkitAll versions (No fix recorded) | < 2.54.0-1
Chainguard1 product
- chromium< 149.0.7827.53-r0
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 · 6 products
References
3 links- issues.chromium.org/issues/500161302Permissions Required
