CVE-2019-13720 [Exploited] | Google CHROME Use-After-Free

CVE-2019-13720 is rated Critical Active Threat (97.1/100): CVSS High severity, with high exploitation likelihood (EPSS 89.59%, 100th percentile). CISA KEV confirms active exploitation (added 2022-05-23) affecting Google / Chrome WebAudio. a weakness (CWE-416) Unauthenticated remote administrative access may be possible. EPSS rose +2.07% over the last day, indicating growing attacker interest. The CISA remediation deadline has passed—treat as an emergency patch priority.

EDB-ID	Source	Kind	Published	Link
50917	exploit_db	edb	2022-05-11	Exploit-DB ↗
—	nvd_ref	exploit_tag		Exploit-DB ↗

EDB-ID

Source

Kind

Published

Link

50917

exploit_db

edb

2022-05-11

Exploit-DB ↗

—

nvd_ref

exploit_tag

Exploit-DB ↗

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-04-01	87.51%	89.59%	+2.07%
2	2026-03-20	88.23%	87.51%	-0.71%
3	2026-01-26	—	88.23%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-04-01

87.51%

89.59%

+2.07%

2026-03-20

88.23%

87.51%

-0.71%

2026-01-26

—

88.23%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.8	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.9	[email protected]
8.8	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0
6.8	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	8.6	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.8

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.9

[email protected]

8.8

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.9

134c704f-9b21-4f2e-91b3-4a467353bcc0

6.8

2.0

MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:M): Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

8.6

6.4

[email protected]

OS Trackers for CVE-2019-13720

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2019-13720 not yet assigned priority: Debian including 1 source packages (chromium), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2019-13720
`gentoo`	normal	CVE-2019-13720: 1 GLSA(s) (202004-04), 1 atom(s) (dev-qt/qtwebengine); latest impact normal.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2019-13720
`redhat`	high	—	https://access.redhat.com/security/cve/CVE-2019-13720
`ubuntu`	medium	CVE-2019-13720 medium priority: Ubuntu including 1 source packages (chromium-browser), 6 status rows across 6 suites (bionic, disco, eoan, trusty, upstream, xenial): released 5, DNE 1.	https://ubuntu.com/security/CVE-2019-13720

Affected software / configurations for CVE-2019-13720

Vendor	Product	Version	Raw CPE
google	chrome	< 78.0.3904.87	cpe:2.3:a:google:chrome::::::::
opensuse	leap	15.1	cpe:2.3:o:opensuse:leap:15.1:::::::*

References for CVE-2019-13720

URL	Tags
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00022.html	Mailing List Third Party Advisory
http://packetstormsecurity.com/files/167066/Google-Chrome-78.0.3904.70-Remote-Code-Execution.html	Exploit Third Party Advisory VDB Entry
https://chromereleases.googleblog.com/2019/10/stable-channel-update-for-desktop_31.html	Vendor Advisory
https://crbug.com/1019226	Permissions Required
https://security.gentoo.org/glsa/202004-04	Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-13720	US Government Resource

URL

CVE-2019-13720

CISA KEV Record for CVE-2019-13720

Public exploit references (Exploit-DB) for CVE-2019-13720

Exploit prediction scoring system (EPSS) score for CVE-2019-13720

Common vulnerability scoring system (CVSS) metrics for CVE-2019-13720

Weakness enumeration for CVE-2019-13720

OS Trackers for CVE-2019-13720

Affected software / configurations for CVE-2019-13720

References for CVE-2019-13720