CVE-2026-13836: Chromium: CVE-2026-13836 Inappropriate implementation in CSS
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
CSIRTS triage
- What
- The vulnerability is due to inappropriate implementation in CSS.
- Who is affected
- Users of Chromium-based browsers, including Microsoft Edge, are affected.
- Urgency
- Remediation urgency is unclear due to unknown severity.
- Action
- Check for updates from Google Chrome Releases.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Chromium
Get an email when a new Chromium advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-13836
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-138360.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13836 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Chromium
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-79293: Information leak in Animation in Google Chrome prior to 152.0.7977.65 allowed a remote attacke…nvd · 2026-08-25
- unknownCVE-2026-79291: Information leak in CSS in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to o…nvd · 2026-08-25
- unknownCVE-2026-79290: Use after free in Aura in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to ex…nvd · 2026-08-25
- unknownCVE-2026-79287: Observable discrepancy in Forms in Google Chrome prior to 152.0.7977.65 allowed a remote attac…nvd · 2026-08-25
- unknownCVE-2026-79285: Uninitialized resource in ANGLE in Google Chrome on on Windows prior to 152.0.7977.65 allowed …nvd · 2026-08-25
- unknownCVE-2026-79283: UI misrepresentation in Geometry in Google Chrome prior to 152.0.7977.65 allowed a remote atta…nvd · 2026-08-25
More from Microsoft Security Response Center
- lowCVE-2026-14673: PostgreSQL amcheck does not clear untrusted search path2026-08-11
- criticalCVE-2026-69836: Microsoft Entra ID Remote Code Execution Vulnerability2026-08-11
- mediumCVE-2026-53792: rsync < 3.5.0 Out-of-Bounds Read via Zero-Length Checksum Block2026-08-11
- highCVE-2026-70347: Windows Installer Elevation of Privilege Vulnerability2026-08-11
- highCVE-2026-64909: Microsoft Office Remote Code Execution Vulnerability2026-08-11