CVE Explorer
CVE-2026-9887
Use after free in Proxy in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code via a crafted PAC script. (Chromium security severity: Critical)
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Chrome","vendor":"Google","versions":[{"lessThan":"148.0.7778.216","status":"affected","version":"148.0.7778.216","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:40da7c44749208f602b5e5ce4351ea1f301ab0652734d377d8f7e30a361d8a5b · sha256:37ac81620c09c165… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:40da7c44749208f602b5e5ce4351ea1f301ab0652734d377d8f7e30a361d8a5b · sha256:37ac81620c09c165… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-416","description":"Use after free","lang":"en"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:40da7c44749208f602b5e5ce4351ea1f301ab0652734d377d8f7e30a361d8a5b · sha256:37ac81620c09c165… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:40da7c44749208f602b5e5ce4351ea1f301ab0652734d377d8f7e30a361d8a5b · sha256:37ac81620c09c165… · /containers/cna/references/0
{"url":"https://issues.chromium.org/issues/511249104"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:40da7c44749208f602b5e5ce4351ea1f301ab0652734d377d8f7e30a361d8a5b · sha256:37ac81620c09c165… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.