CVE-2026-7933
published 2026-05-06CVE-2026-7933: Out of bounds read in WebCodecs in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to perform an out of bounds memory read via a crafted video…
PriorityP419medium4.3CVSS 3.1
AVNACLPRNUIRSUCLINAN
EPSS
0.18%
7.6th percentile
Out of bounds read in WebCodecs in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to perform an out of bounds memory read via a crafted video file. (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
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
vendor_redhat4.3MEDIUM
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Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-7933
vendor_chrome·2026-05-19·CVSS 4.3
CVE-2026-7933 [MEDIUM] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-7933
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-7933
Red Hat
chromium-browser: Out of bounds read in WebCodecs
vendor_redhat·2026-05-05·CVSS 4.3
CVE-2026-7933 [MEDIUM] CWE-125 chromium-browser: Out of bounds read in WebCodecs
chromium-browser: Out of bounds read in WebCodecs
An out of bounds read flaw was found in the WebCodecs component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=488585490
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-2026-7932
vendor_chrome·2026-05-05·CVSS 4.4
CVE-2026-7932 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-7932
Stable Channel Update for Desktop
CVE-2026-7932: Insufficient policy enforcement in Downloads. Reported by Povcfe of Tencent Security Xuanwu Lab on 2026-02-04 [TBD][ 488585490 ] Medium CVE-2026-7933: Out of bounds read in WebCodecs
Reported by heapracer (@heapracer) on 2026-03-01 [N/A][ 489023922 ] Medium CVE-2026-7934: Insufficient validation of untrusted input in Popup Blocker
Severity: medium
VulDB
Google Chrome up to 147.0.7727.138 WebCodecs out-of-bounds (Nessus ID 315031 / WID-SEC-2026-1394)
vuldb·2026-05-17·CVSS 4.3
CVE-2026-7933 [MEDIUM] Google Chrome up to 147.0.7727.138 WebCodecs out-of-bounds (Nessus ID 315031 / WID-SEC-2026-1394)
A vulnerability described as problematic has been identified in Google Chrome. This issue affects some unknown processing of the component WebCodecs. Executing a manipulation can lead to out-of-bounds read.
This vulnerability appears as CVE-2026-7933. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is recommended.
GHSA
GHSA-c5gx-3rf6-qc65: Out of bounds read in WebCodecs in Google Chrome prior to 148
ghsa_unreviewed·2026-05-06
CVE-2026-7933 [MEDIUM] CWE-125 GHSA-c5gx-3rf6-qc65: Out of bounds read in WebCodecs in Google Chrome prior to 148
Out of bounds read in WebCodecs in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to perform an out of bounds memory read via a crafted video file. (Chromium security 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-2026-7933 chromium-browser: Out of bounds read in WebCodecs
bugzilla·2026-05-06·CVSS 4.3
CVE-2026-7933 [MEDIUM] CVE-2026-7933 chromium-browser: Out of bounds read in WebCodecs
CVE-2026-7933 chromium-browser: Out of bounds read in WebCodecs
Out of bounds read in WebCodecs in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to perform an out of bounds memory read via a crafted video file. (Chromium security severity: Medium)
2026-05-06
Published