CVE-2026-7977
published 2026-05-06CVE-2026-7977: Inappropriate implementation in Canvas in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass same origin policy via a crafted HTML page…
PriorityP431medium6.3CVSS 3.1
AVNACLPRNUIRSUCLILAL
EPSS
0.16%
5.4th percentile
Inappropriate implementation in Canvas in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 148.0.7778.96 | 148.0.7778.96 | |
| chrome | >= 148.0.7778.96 < 148.0.7778.96 | 148.0.7778.96 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.16.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
vendor_redhat6.3MEDIUM
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VulDB
Google Chrome up to 147.0.7727.138 Canvas cross-domain policy (ID 497821)
vuldb·2026-05-06·CVSS 6.3
CVE-2026-7977 [MEDIUM] Google Chrome up to 147.0.7727.138 Canvas cross-domain policy (ID 497821)
A vulnerability, which was classified as problematic, was found in Google Chrome. This vulnerability affects unknown code of the component Canvas. The manipulation results in permissive cross-domain policy with untrusted domains.
This vulnerability is known as CVE-2026-7977. It is possible to launch the attack remotely. No exploit is available.
You should upgrade the affected component.
GHSA
GHSA-2jpx-vww7-7cwr: Inappropriate implementation in Canvas in Google Chrome prior to 148
ghsa_unreviewed·2026-05-06
CVE-2026-7977 [MEDIUM] CWE-269 GHSA-2jpx-vww7-7cwr: Inappropriate implementation in Canvas in Google Chrome prior to 148
Inappropriate implementation in Canvas in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-7977
vendor_chrome·2026-05-19·CVSS 6.3
CVE-2026-7977 [MEDIUM] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-7977
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-7977
Red Hat
chromium-browser: Inappropriate implementation in Canvas
vendor_redhat·2026-05-05·CVSS 6.3
CVE-2026-7977 [MEDIUM] CWE-346 chromium-browser: Inappropriate implementation in Canvas
chromium-browser: Inappropriate implementation in Canvas
An inappropriate implementation flaw was found in the Canvas component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=497821223
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-7976
vendor_chrome·2026-05-05·CVSS 7.5
CVE-2026-7976 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-7976
Stable Channel Update for Desktop
CVE-2026-7976: Use after free in Views. Reported by Google on 2026-03-30 [N/A][ 497821223 ] Medium CVE-2026-7977: Inappropriate implementation in Canvas
Reported by Google on 2026-03-30 [N/A][ 497828892 ] Medium CVE-2026-7978: Inappropriate implementation in Companion
Severity: medium
No detection rules found.
No public exploits indexed.
Rapid7
Patch Tuesday - May 2026
blogs_rapid7·2026-05-13·CVSS 10.0
CVE-2026-41089 [CRITICAL] Patch Tuesday - May 2026
Microsoft is publishing 137 vulnerabilities on May 2026 Patch Tuesday . Microsoft is not aware of exploitation in the wild or public disclosure for any of these vulnerabilities. So far this month, Microsoft has provided patches to address 133 browser vulnerabilities, which are not included in the Patch Tuesday count above.
## Windows Netlogon: critical RCE
Anyone responsible for securing a domain controller should prioritize remediation of CVE-2026-41089 , which is a critical stack-based buffer overflow in Windows Netlogon with a CVSS v3 base score of 9.8. Exploitation leads to execution in the context of the Netlogon service, so that’s SYSTEM privileges on the domain controller. For most pentesters, that’s the point at which the customer report more or less writes itself. No privileges
Bugzilla
CVE-2026-7977 chromium-browser: Inappropriate implementation in Canvas
bugzilla·2026-05-06·CVSS 6.3
CVE-2026-7977 [MEDIUM] CVE-2026-7977 chromium-browser: Inappropriate implementation in Canvas
CVE-2026-7977 chromium-browser: Inappropriate implementation in Canvas
Inappropriate implementation in Canvas in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
2026-05-06
Published