CVE-2026-121217
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker...
7.5 High
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
0.12%Unchanged since Nov 4, 2026
What each source reports
CVE List Score used
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
- Record
CVE-2026-121217- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-05
EUVDEUVD-2026-116318
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
- Record
EUVD-2026-116318- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-05
GitHub AdvisoriesGHSA-fgh2-xv6h-w6w3
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker...
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
- Record
GHSA-fgh2-xv6h-w6w3- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-04
NVD
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
- Record
CVE-2026-121217- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-05
OSVDEBIAN-CVE-2026-121217
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
- Record
DEBIAN-CVE-2026-121217- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-05
OSVopenSUSE-SU-2026:12426-1 No score
chromedriver-157.0.8103.38-1.1 on GA media
These are all security issues fixed in the chromedriver-157.0.8103.38-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12426-1- Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
chromiumDebian:12 |
All versions, plus listed versions 113.0.5672.126-1114.0.5735.106-1114.0.5735.106-1~deb11u1114.0.5735.106-1~deb12u1114.0.5735.133-1 Show 45 moreShow less114.0.5735.133-1~deb11u1114.0.5735.133-1~deb12u1114.0.5735.198-1114.0.5735.198-1~deb11u1114.0.5735.198-1~deb12u1114.0.5735.90-1114.0.5735.90-2114.0.5735.90-2~deb11u1114.0.5735.90-2~deb12u1115.0.5790.102-1115.0.5790.102-2115.0.5790.170-1115.0.5790.170-1~deb11u1115.0.5790.170-1~deb12u1115.0.5790.98-1115.0.5790.98-1~deb11u1115.0.5790.98-1~deb12u1115.0.5790.98-2116.0.5845.110-1116.0.5845.110-1~deb11u1116.0.5845.110-1~deb12u1116.0.5845.110-2116.0.5845.140-1116.0.5845.140-1~deb11u1116.0.5845.140-1~deb12u1116.0.5845.180-1116.0.5845.180-1~deb11u1116.0.5845.180-1~deb12u1116.0.5845.96-1116.0.5845.96-1~deb11u1116.0.5845.96-1~deb12u1116.0.5845.96-2117.0.5938.132-1117.0.5938.132-1~deb11u1117.0.5938.132-1~deb12u1117.0.5938.132-2117.0.5938.149-1117.0.5938.149-1~deb11u1117.0.5938.149-1~deb12u1117.0.5938.62-1117.0.5938.62-1~deb11u1117.0.5938.62-1~deb12u1117.0.5938.92-1118.0.5993.117-1118.0.5993.117-1~deb11u1 |
None known |
chromiumDebian:13 |
All versions, plus listed versions 138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2 Show 45 moreShow less139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.127-1140.0.7339.127-1~deb12u1140.0.7339.127-1~deb13u1140.0.7339.185-1140.0.7339.185-1~deb12u1140.0.7339.185-1~deb13u1140.0.7339.207-1140.0.7339.207-1~deb12u1140.0.7339.207-1~deb13u1140.0.7339.80-1140.0.7339.80-1~deb12u1140.0.7339.80-1~deb13u1141.0.7390.107-1141.0.7390.107-1~deb12u1141.0.7390.107-1~deb13u1141.0.7390.122-1141.0.7390.122-1~deb12u1141.0.7390.122-1~deb13u1141.0.7390.54-1141.0.7390.54-1~deb12u1141.0.7390.54-1~deb13u1141.0.7390.65-1141.0.7390.65-1~deb12u1141.0.7390.65-1~deb13u1142.0.7444.134-1142.0.7444.134-1~deb12u1142.0.7444.134-1~deb13u1142.0.7444.162-1142.0.7444.162-1~deb12u1142.0.7444.162-1~deb13u1142.0.7444.175-1142.0.7444.175-1~deb12u1142.0.7444.175-1~deb13u1142.0.7444.59-1142.0.7444.59-1~deb12u1142.0.7444.59-1~deb13u1143.0.7499.109-1 |
None known |
chromiumDebian:14 |
All versions, plus listed versions 138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2 Show 45 moreShow less139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.127-1140.0.7339.127-1~deb12u1140.0.7339.127-1~deb13u1140.0.7339.185-1140.0.7339.185-1~deb12u1140.0.7339.185-1~deb13u1140.0.7339.207-1140.0.7339.207-1~deb12u1140.0.7339.207-1~deb13u1140.0.7339.80-1140.0.7339.80-1~deb12u1140.0.7339.80-1~deb13u1141.0.7390.107-1141.0.7390.107-1~deb12u1141.0.7390.107-1~deb13u1141.0.7390.122-1141.0.7390.122-1~deb12u1141.0.7390.122-1~deb13u1141.0.7390.54-1141.0.7390.54-1~deb12u1141.0.7390.54-1~deb13u1141.0.7390.65-1141.0.7390.65-1~deb12u1141.0.7390.65-1~deb13u1142.0.7444.134-1142.0.7444.134-1~deb12u1142.0.7444.134-1~deb13u1142.0.7444.162-1142.0.7444.162-1~deb12u1142.0.7444.162-1~deb13u1142.0.7444.175-1142.0.7444.175-1~deb12u1142.0.7444.175-1~deb13u1142.0.7444.59-1142.0.7444.59-1~deb12u1142.0.7444.59-1~deb13u1143.0.7499.109-1 |
None known |
chromiumopenSUSE:Tumbleweed From an advisory covering 213 CVEs |
before 157.0.8103.38-1.1 | 157.0.8103.38-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| references | CVE List, EUVD, NVD, OSV | |
| severity | CVE List, GitHub Advisories, NVD | |
| severity | EUVD, NVD | |
| affected, aliases, references | EUVD, NVD, OSV | |
| aliases, products, published, references | CVE List, EUVD | |
| first indexed | GitHub Advisories |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-121217 is a high vulnerability (CVSS 7.5) in Google Chrome, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 2nd percentile. No source names a fixed version.
References
chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
issues.chromium.org/issues/500600456
nvd.nist.gov/vuln/detail/CVE-2026-121217
github.com/advisories/GHSA-fgh2-xv6h-w6w3
security-tracker.debian.org/tracker/CVE-2026-121217
suse.com/security/cve/CVE-2026-121029
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This page doesn't list everything
Left out here: 718 versions and 18 references. The JSON record has them.