Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a
Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
- Published
- Jun 17, 2026
- Updated
- Jun 18, 2026
- EPSS
- 0.4% · 34th percentile
- CWE
- CWE-122
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Report tools
Action score
35
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- google chromebefore 149.0.7827.155
Versions reported by the vendor
Affected version ranges reported by the assigning authority (Chrome). Independent of NVD's CPE analysis and usually ahead of it.
Google Chrome
- 149.0.7827.155 and later · before 149.0.7827.155affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | chromium | before 149.0.7827.155-1~deb12u1 | 149.0.7827.155-1~deb12u1 |
| Debian:13 | chromium | before 149.0.7827.155-1~deb13u1 | 149.0.7827.155-1~deb13u1 |
| Debian:14 | chromium | before 149.0.7827.155-1 | 149.0.7827.155-1 |
Same product
google: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-4863Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of boKEV95Now
- CVE-2021-21224Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a craftKEV90Now
- CVE-2018-17463Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sKEV90Now
- CVE-2020-6418Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted KEV89Now
- CVE-2022-2294Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption viaKEV86Now
- CVE-2021-21220Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heKEV86Now
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:chromium | 149.0.7827.155-1~deb12u1 · Debian:12 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-1379813 days apartHeap buffer overflow in Chromecast in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer proces38Monitor
- CVE-2026-1768042 days apartHeap buffer overflow in Color in Google Chrome on ChromeOS prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer38Monitor
- CVE-2026-1775842 days apartHeap buffer overflow in Dawn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a38Monitor
- CVE-2026-7603662 days apartBuffer overflow in Dawn in Google Chrome on on Android prior to 151.0.7922.169 allowed a remote attacker to execute arbitrary code outside t38Monitor
- CVE-2026-629663 days apartHeap buffer overflow in ANGLE in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform a sandbox escape via38Monitor
- CVE-2026-7913069 days apartBuffer overflow in ANGLE in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code outside the sandbox via38Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-122 · Heap-based Buffer OverflowCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html
- issues.chromium.org/issues/520199394
Vendor advisories and official records. Exploit/PoC links are deliberately left out.