CWE-457 (Use of Uninitialized Variable) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
| Kind | Name | Class | Prevalence | OS / CPE |
|---|---|---|---|---|
| language | C | — | Sometimes | — |
| language | C++ | — | Sometimes | — |
| language | Perl | — | Often | — |
| language | PHP | — | Often | — |
| language | — | Not Language-Specific | Undetermined | — |
These CVEs are mapped to this weakness in this database and kept for traceability and search.
| CVE | Published | Summary |
|---|---|---|
| CVE-2026-11268 | 2026-06-05 | Uninitialized Use in ANGLE in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low) |
| CVE-2026-11159 | 2026-06-04 | Uninitialized Use in Skia 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) |
| CVE-2026-11141 | 2026-06-04 | Uninitialized Use in Audio in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory vi… |
| CVE-2026-11138 | 2026-06-04 | 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) |
| CVE-2026-11137 | 2026-06-04 | Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security… |
| CVE-2026-11123 | 2026-06-04 | Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security… |
| CVE-2026-11110 | 2026-06-04 | 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) |
| CVE-2026-11109 | 2026-06-04 | 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) |
| CVE-2026-11104 | 2026-06-04 | Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory vi… |
| CVE-2026-11101 | 2026-06-04 | Uninitialized Use in Dawn in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium) |
| CVE-2026-11090 | 2026-06-04 | 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) |
| CVE-2026-11089 | 2026-06-04 | Uninitialized Use in Media in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory vi… |
| CVE-2026-11087 | 2026-06-04 | Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium secur… |
| CVE-2026-11067 | 2026-06-04 | Uninitialized Use in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security … |
| CVE-2026-11064 | 2026-06-04 | Race in GPU in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security … |
| CVE-2026-11057 | 2026-06-04 | Uninitialized Use in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via… |
| CVE-2026-11039 | 2026-06-04 | Uninitialized Use in Skia 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) |
| CVE-2026-11033 | 2026-06-04 | Uninitialized Use in WebML in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium s… |
| CVE-2026-10994 | 2026-06-04 | Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security… |
| CVE-2026-10977 | 2026-06-04 | Uninitialized Use in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium securi… |
| Date | Name | Version | Importance | Comment |
|---|---|---|---|---|
| 2008-07-01 | Eric Dalci | 1.0 | — | updated Time_of_Introduction |
| 2008-08-01 | — | 1.0 | — | added/updated white box definitions |
| 2008-09-08 | CWE Content Team | 1.0 | — | updated Applicable_Platforms, Common_Consequences, Description, Relationships, Observed_Example, Other_Notes, References, Taxonomy_Mappings |
| 2009-01-12 | CWE Content Team | 1.2 | — | updated Common_Consequences, Demonstrative_Examples, Potential_Mitigations |
| 2009-03-10 | CWE Content Team | 1.3 | — | updated Demonstrative_Examples |
| 2009-05-27 | CWE Content Team | 1.4 | — | updated Demonstrative_Examples |
| 2011-06-01 | CWE Content Team | 1.13 | — | updated Common_Consequences |
| 2012-05-11 | CWE Content Team | 2.2 | — | updated References, Relationships |
| 2012-10-30 | CWE Content Team | 2.3 | — | updated Demonstrative_Examples |
| 2013-02-21 | CWE Content Team | 2.4 | — | updated Applicable_Platforms, Description, Other_Notes, Potential_Mitigations, Relationships |
| 2014-06-23 | CWE Content Team | 2.7 | — | updated Modes_of_Introduction, Other_Notes |
| 2014-07-30 | CWE Content Team | 2.8 | — | updated Relationships, Taxonomy_Mappings |
| 2017-11-08 | CWE Content Team | 3.0 | — | updated References, Relationships, Taxonomy_Mappings, White_Box_Definitions |
| 2019-01-03 | CWE Content Team | 3.2 | — | updated Taxonomy_Mappings |
| 2019-06-20 | CWE Content Team | 3.3 | — | updated Relationships, Type |
| 2020-02-24 | CWE Content Team | 4.0 | — | updated References, Relationships, Type |
| 2020-08-20 | CWE Content Team | 4.2 | — | updated Relationships |
| 2020-12-10 | CWE Content Team | 4.3 | — | updated Relationships |
| 2021-03-15 | CWE Content Team | 4.4 | — | updated Demonstrative_Examples, Observed_Examples, Relationships |
| 2021-07-20 | CWE Content Team | 4.5 | — | updated Observed_Examples |
| 2023-04-27 | CWE Content Team | 4.11 | — | updated Detection_Factors, References, Relationships |
| 2023-06-29 | CWE Content Team | 4.12 | — | updated Mapping_Notes |
| 2025-09-09 | CWE Content Team | 4.18 | — | updated Potential_Mitigations, References |
| 2025-12-11 | CWE Content Team | 4.19 | — | updated Weakness_Ordinalities |