SAK T.E.CTechnology · Evaluation · Compliance Free domain checkCheck

Exploited vulnerabilities / CVE-2025-13223

Confirmed exploited · memory corruption · Google Chromium V8

CVE-2025-13223

Google Chromium V8 memory corruption, confirmed exploited in the wild.

Google Chromium V8 contains a type confusion vulnerability that allows for heap corruption.

4.9%chance of exploitation in the next 30 days (EPSS), 92nd percentile
19 Novadded to CISA's Known Exploited Vulnerabilities list, 2025
10 Decfederal remediation deadline, already passed
Passedpast the deadline: patch now
CISA's name for itGoogle Chromium V8 Type Confusion Vulnerability
Vendor and productGoogle · Chromium V8
Typememory corruption · CWE-843
ExploitedConfirmed by CISA listed 19 November 2025
Likelihoodmore likely to be exploited than most
Deadline10 December 2025 · already passed
Used in ransomwareNot reported
Advisorieschromereleases.googleblog.com ↗ · nvd.nist.gov ↗
What to do

Three steps, in this order

Step 1

Update the product (and every browser or app that embeds it) to the fixed version.

Step 2

Make sure automatic updates are on and actually applied; restart where the update needs it.

Step 3

Watch endpoints for crashes and unusual child processes from the affected software.

CISA's required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Is it on your estate?

Know before someone else finds it

Threat Landscape Monitoring fingerprints the software your internet-facing hosts disclose and matches it, every day, against this list and the exploitation scores. When a new entry touches something you run, you are told once, with the host and the fix. The free plan covers one domain.

Questions

CVE-2025-13223 in short

Is CVE-2025-13223 being exploited?

Yes. CISA added CVE-2025-13223 to its Known Exploited Vulnerabilities catalogue on 19 November 2025, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2025-13223?

US federal agencies must remediate it by 10 December 2025. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2025-13223 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 4.9%, the 92nd percentile of every CVE it scores.

How do I fix CVE-2025-13223?

Update the product (and every browser or app that embeds it) to the fixed version. Make sure automatic updates are on and actually applied; restart where the update needs it. Watch endpoints for crashes and unusual child processes from the affected software.

Same vendor

Other Google vulnerabilities being exploited

CVEProductTypeListed
CVE-2026-125350Chromiumremote code execution10 November 2026
CVE-2026-111497Brotliremote code execution27 October 2026
CVE-2026-58704Pixelprivilege escalation16 September 2026
CVE-2026-87491Chromium V8remote code execution9 September 2026
CVE-2026-85046Chromium V8remote code execution4 September 2026
CVE-2026-11645Chromium V8remote code execution9 June 2026

Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.

Chat with us